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- 110th Street–Malcolm X Plaza station
- 116th Street–Columbia University station
- 135th Street station (IRT Lenox Avenue Line)
- 145th Street station (IRT Lenox Avenue Line)
- 14th Street–Union Square station
- 15th Street–Prospect Park station
- 169th Street station (IND Queens Boulevard Line)
- 1751 Port-au-Prince earthquake
- 1805 in science
- 1908 Atlantic hurricane season
- 1916 Atlantic hurricane season
- 1918 in Norway
- 1920 Royal Navy mission to Enzeli
- 1921 Vanderbilt Commodores football team
- 1922 Atlantic hurricane season
- 1923 Aeromarine 75 Columbus incident
- 1929 Atlantic hurricane season
- 1931 Atlantic hurricane season
- 1932 in country music
- 1932 in music
- 1935 Atlantic hurricane season
- 1944 Atlantic hurricane season
- 1950 North Indian Ocean cyclone season
- 1952 Atlantic hurricane season
- 1960 Atlantic hurricane season
- 1961 Pacific typhoon season
- 1965 Atlantic hurricane season
- 1965 Pacific hurricane season
- 1968 Burma cyclone
- 1969 North Indian Ocean cyclone season
- 1970 Pacific hurricane season
- 1972 Indianapolis 500
- 1973 North Indian Ocean cyclone season
- 1973–74 Australian region cyclone season
- 1974 Atlantic hurricane season
- 1977–78 Australian region cyclone season
- 1978 Pacific hurricane season
- 1981 Formula One World Championship
- 1981–82 South-West Indian Ocean cyclone season
- 1983 Atlantic hurricane season
- 1984 Atlantic hurricane season
- 1987 Formula One World Championship
- 1988 Formula One World Championship
- 1988 Raleigh tornado outbreak
- 1988–89 South-West Indian Ocean cyclone season
- 1989 Atlantic hurricane season
- 1991 Great Plains tornado outbreak
- 1992 New Year's Day Storm
- 1993 Storm of the Century
- 1995 in rail transport
- 1997 in Bangladesh
- 1998 Townsville floods
- 1999 North Indian Ocean cyclone season
- 1999 Pakistan cyclone
- 20 cm naval rocket launcher
- 2000 Atlantic hurricane season
- 2001 Islamabad cloud burst
- 2003 Pacific hurricane season
- 2003 Wyre Forest District Council election
- 2003–04 Adelaide United FC season
- 2006 North Indian Ocean cyclone season
- 2006–07 South-West Indian Ocean cyclone season
- 2007 Pacific hurricane season
- 2008 Atlantic hurricane season
- 2008 June Hong Kong Rainstorm
- 2008 June Hong Kong rainstorm
- 2008 Yemen cyclone
- 2011 Joplin tornado
- 2013 in arthropod paleontology
- 2014 Nepal snowstorm disaster
- 2014–15 South-West Indian Ocean cyclone season
- 2015 Pacific typhoon season
- 2015 Texas–Oklahoma flood and tornado outbreak
- 2016 Massachusetts Question 3
- 2016 in paleontology
- 2017 North Indian Ocean cyclone season
- 2017 Pacific typhoon season
- 2017–18 North American cold wave
- 2018 North American heat wave
- 2018 Pacific typhoon season
- 2019 Durban Easter floods
- 2019 North Indian Ocean cyclone season
- 2019 in Ireland
- 2019–20 North American winter
- 2020 Central Vietnam floods
- 2020 Pacific typhoon season
- 2020–21 North American winter
- 2020–21 South Pacific cyclone season
- 2021 Kenyan constitutional referendum attempt
- 2022–23 European windstorm season
- 2022–23 South Pacific cyclone season
- 28 Liberty Street
- 307261 Máni
- 317a and 317b mummies
- 36th Street station (IND Queens Boulevard Line)
- 4 Vesta
- 46th Street station (IND Queens Boulevard Line)
- 48th Golden Bell Awards
- 59th Street–Columbus Circle station
- 63rd Drive–Rego Park station
- 65th Street station (IND Queens Boulevard Line)
- 67th Avenue station
- 7-Keto-DHEA
- 7.3 cm Propagandawerfer 41
- 75th Avenue station
- 86th Street station (IRT Lexington Avenue Line)
- A Brief History of Time
- A Gem of a Jam
- A Little Too Late (Toby Keith song)
- AH-IV
- AI winter
- Aarbergen
- Absinthiana
- Abtweiler
- Accelerator Coaster
- Accursed Mountains
- Achaemenid conquest of Egypt
- Achaidh Leithdeircc
- Acher
- Acheron Fossae
- Acoustic short circuit
- Acrisure Stadium
- Action Park
- Active-class patrol boat
- Aden-Owen-Carlsberg Triple Junction
- Adomi Bridge
- Adze
- Adélie Valley
- Aenigmastropheus
- Affective computing
- African Great Lakes
- Afromimus
- Afula
- Agam Kuan
- Alamgirpur
- Alan Blinder
- Alan McManus
- Albert Bridge, Brisbane
- Albert Clock, Barnstaple
- Alberta Highway 8
- Albury, New Zealand
- Aleksey Sukletin
- Alexa Bank
- Alexander Rolls
- Alexis Rockman
- Alf Hannaford
- Alfeios
- Algoa Group
- Algoman orogeny
- Alkborough
- All Star Shore
- Allegan, Michigan
- Alluvial fan
- Alphabet City, Manhattan
- Alpine Bobsled
- Alpine Garden Society
- Alpine garden
- Alston Block
- Aluminium alloy inclusions
- Amalgam (chemistry)
- Amazonis Planitia
- Amazonis quadrangle
- Ambonese Malay
- Amenthes Fossae
- Amenthes quadrangle
- American English regional vocabulary
- American Enterprise Institute
- American Veterans Disabled for Life Memorial
- American Wrestlers (album)
- Amplitude
- Anaximenes of Miletus
- Anchusa
- Ancient Israelite cuisine
- Andover workhouse scandal
- Andrews Geyser
- Androsace vitaliana
- Anemospilia
- Angiotensin II receptor blocker
- Animal Research Institute Buildings
- Animals in Pools
- Annapolis Valley
- Antarctic bottom water
- Anthropocene
- Antiques Roadshow (series 28)
- Antoine Lavoisier
- Antonio Jacobsen
- Anzu wyliei
- Aorounga crater
- Apalachee Bay
- Apatosaurus
- Aphelochaeta guimondi
- Apollodorus (crater)
- Apple cider
- Aquaplaning
- Aquaponics
- Arabia quadrangle
- Arabis-class sloop
- Arado E.500
- Arcadia quadrangle
- Arcosolium
- Arianna Huffington
- Aristoff
- Armando Colaco
- Arney River
- Arnison Crag
- Arroyo del Agua Formation
- Art in modern Scotland
- Artemis Chasma
- Artemis Entreri
- Artesa
- Arthur Covington
- Artificial wave
- Ascraeus Mons
- Ashkan Dejagah
- Asking for It (Hole song)
- Asperula affinis
- Asperula albiflora
- Asperula ambleia
- Asperula arcadiensis
- Asperula aristata
- Asperula assamica
- Assam tea
- Assassination of Pim Fortuyn
- Assier
- Astley Ainslie Hospital
- Astronomical clock
- Asturian cuisine
- Asuka, Nara
- Athabasca Valles
- Atlanta metropolitan area
- Audenshaw
- Audi R8C
- Australian Survivor: Brains V Brawn
- Australian Survivor: Brains v. Brawn
- Australiana Pioneer Village
- Australosphenida
- Autoimmune lymphoproliferative syndrome
- Automatic direction finder
- Avena nuda
- Axon
- Aylesbury duck
- Azas Nature Reserve
- Azáceta
- B. F. Skinner
- BK virus
- Baalberge group
- Backplate and wing
- Badajoz
- Badakhshan
- Badisis
- Bagaceratops
- Bahr el Arab rift
- Balleny Trough
- Ballincollig Royal Gunpowder Mills
- Baltoro Glacier
- Bandgap voltage reference
- Bannari Mariamman Temple
- Barbara Gilmour
- Bardi people
- Barlow's wheel
- Barton Aqueduct
- Basque bowls
- Battle of Rafa
- Batyrosaurus
- Beach
- Beach Leisure Centre
- Beacon Supergroup
- Beaconsfield Station Sheep Wash
- Bear Creek Saloon and Steakhouse
- Beat (acoustics)
- Bedrock river
- Beecher's Handmade Cheese
- Beekeeping
- Behaviorism
- Belgian Bowling
- Belknap, Louisville
- Bell
- Bellarine, Victoria
- Bellingham, Washington
- Belton, Grandview and Kansas City Railroad
- Ben Weston (Days of Our Lives)
- Benie Hoose
- Benjamin Heckendorn
- Benjamin Wey
- Berczy Park
- Bereshit (parashah)
- Bereshit (parsha)
- Bernard Krone Holding
- Berry Mansion
- Bertoldsbrunnen
- Beta Regio
- Bicentenaria
- Bicentennial Capitol Mall State Park
- Bicycle lift
- Bidyadanga Community
- Bidyadanga Community, Western Australia
- Big Brother (Australian season 3)
- Big Brother (British TV series) series 12
- Big Brother (British series 12)
- Big Brother (UK series 12)
- Big Brother 12 (UK)
- Biggin by Hulland
- Bill Dinneen
- Bird anatomy
- Birkali
- Black Sea Region
- Black Sea region
- Blackburn Nautilus
- Blast furnace
- Blast wave
- Blowing house
- Blue Cross (animal charity)
- Bogdo-Baskunchak Nature Reserve
- Boiling liquid expanding vapor explosion
- Bolinas Lagoon
- Bolivian–Peruvian territorial dispute
- Bomba, Abruzzo
- Bombardier Glacier
- Bond hardening
- Bonndorf Graben
- Botanic Gardens MRT station
- Botany Hill
- Bottom ash
- Boulder, Colorado
- Bow wave
- Bowers Ridge
- Bowie Seamount
- Bowland College, Lancaster
- Box gutter
- Boyash
- Brachiosaurus
- Brahmaputra River
- Brazilian Americans
- Bread
- Breaking wave
- Breast biopsy
- Breckenheim–Wiesbaden railway
- Brewing methods
- Brian Quinn (businessman)
- Briarwood station
- Bristol Type 118
- British occupation of the Jordan Valley
- Broach (nautical)
- Broiler industry
- Brooklyn Bridge (Sydney)
- Brooklyn Bridge, New South Wales
- Brown Dog affair
- Bry and Boschan routine
- Buckow
- Bud Walton Arena
- Buddle pit
- Bulbous bow
- Bundesautobahn 100
- Burnishing (metal)
- Business Instructional Facility
- Business cycle
- Busulfan
- Butcher Store in Schäftlarn on the Isar
- CAM ship
- CGTL
- COVID-19 recession
- CS gas
- Cable knitting
- Cable layer
- Cable tray
- Cadishead Viaduct
- Caisson (engineering)
- Calabarzon
- Calcasieu River Bridge
- Cali Cartel
- Caligula (film)
- Campbell's Stores
- Canad Inns Stadium
- Canada's Worst Driver
- Canada's Worst Driver 5
- Canadian Football League in the United States
- Canadian military fur wedge cap
- Canal Street station (New York City Subway)
- Canal du Midi
- Canal latéral à la Loire
- Canals of the United Kingdom
- Candlepin bowling
- Cannock Chase (UK Parliament constituency)
- Cannone da 381/40 AVS
- Canoe freestyle
- Canton Viaduct
- Canyon
- Cape Verde hurricane
- Captive Media
- Carabao Energy Drink
- Caractacus (horse)
- Carbonated water
- Carl Paladino
- Carlingford, County Louth
- Carnotaurus
- Caroline Plate
- Carousel
- Carrizosa
- Cascatelli
- Cast iron
- Cast-iron architecture
- Cat Creek, Montana
- Catania
- Causes of unemployment in the United States
- Cavaedium
- Cebrenia quadrangle
- Cecil B. DeMille
- Cell sorting
- Cenote
- Center for Public Integrity
- Central Eastern Alps
- Central Uplands
- Cerberus Falls
- Cerberus Fossae
- Challenger Park
- Chambal River
- Champollion (crater)
- Channel Airways
- Channelled rockfish
- Chapultepec aqueduct
- Charles C. Noble
- Charles Grafton Page
- Charles H. Marshall (pilot boat)
- Charlotte's Web
- Chauga Mound
- Chayei Sarah
- Chelodina canni
- Chesapeake Bay impact crater
- Chevrolet Stovebolt engine
- Chevrolet straight-6 engine
- Cheyne–Stokes respiration
- Chicken Island (Guangdong)
- Chicxulub crater
- Chiller
- Chinchaga fire
- Chirk Aqueduct
- Chloramphenicol
- Chom Ong
- Christina Nyman
- Christine Blasey Ford
- Chronobiology
- Chukchi Sea Shelf
- Church of San Andres (Cuellar)
- Church of St Mary, Bideford
- Church of St. Apollinaire, Prague
- Cider mill
- Cielo (film)
- Cistern
- City Hall station (IRT Lexington Avenue Line)
- City of David
- City of Santa Barbara Historic Landmarks
- Civil Affairs Staging Area
- Clam
- Claritas Fossae
- Clear-air turbulence
- Cleeve Common
- Clement Mary Hofbauer
- Clifton, York
- Climate change in Africa
- Climate of Argentina
- Climate of Buenos Aires
- Climate of Mars
- Climate of Massachusetts
- Clipperton Fracture Zone
- Clock tower
- Closing milestones of the S&P 500
- Cloud Creek crater
- Clozapine
- Cmax (pharmacology)
- Coal breaker
- Coastal Motor Boat
- Coastal morphodynamics
- Coastal motor boat
- Coca-Cola Park
- Coca-Cola Park (Allentown)
- Coil car
- Coin pusher
- Coire Gabhail
- Col du Corbier
- Coldwater Lake (Washington)
- Colebrook Iron Master's House
- Colin McCool
- Colluvium-filled bedrock hollow
- Coloe Fossae
- Colonsay Farm
- Combined injectable birth control
- Comet (retailer)
- Comet Group
- Command and control (management)
- Common Sense (American magazine)
- Common Sense (magazine)
- Common surface features of Mars
- Companhia das Letras
- Compartmental models in epidemiology
- Compass
- Comstock Lode
- Concentrator photovoltaics
- Conche
- Conching
- Concrete Ship, Ex Sip
- Confederation Trough
- Conglomerate (geology)
- Congreve rocket
- Connell Pond
- Connie (TV series)
- Conrad Rice Mill
- Conservation and restoration of lighthouses
- Conshohocken, Pennsylvania
- Constantine V of Constantinople
- Consumer confidence
- Consumer confidence index
- Continent
- Continuous casting
- Continuous-flow intersection
- Conveyor belt
- Conveyor system
- Convolosaurus
- Coon Creek Formation
- Coppock curve
- Coprates quadrangle
- Coral Browne
- Coral Sea Islands
- Coral Sea Marine Park
- Coral Sea Reserves Ramsar Site
- Corrugated galvanised iron
- Cortes Bank
- Cortina Cycles
- Costa Concordia
- Coulee
- County Wicklow
- Cowardly Lion
- Crassaminicella
- Crest and trough
- Cretaceous–Paleogene boundary
- Crib
- Crista supraventricularis
- Criticism of The Walt Disney Company
- Criticism of the Walt Disney Company
- Crocus sativus
- Cross-bedding
- Crossea inverta
- Crosseola inverta
- Crow-stepped gable
- Crutch
- Crystallization
- Ctenurella
- Culture of Ireland
- Culture of the Maldives
- Cumberland
- Cumulus cloud
- Cunningham Falls State Park
- Curt Schimmelbusch
- Cyane Fossae
- Cyclone Fay
- Cyclone Friederike
- Cyclone Helen (2013)
- Cyclone Lothar
- Cyclone Ockhi
- Cyclones Lothar and Martin
- Cynanchica gussonei
- Cyril VII of Constantinople
- Cyrillic numerals
- D. H. Lawrence
- D.W. Heagy Farm
- DRB Class 50
- Dahomey Gap
- Dalecarlian language
- Dalgarven Mill – Museum of Ayrshire Country Life and Costume
- Dalgety plc
- Dallas
- Dallas, Georgia
- Damara orogeny
- Damdama Lake
- Danfoss Compressors GmbH
- Daniel Sturridge
- Danny Kaye
- Darjeeling tea
- Dark slope streak
- Darren Kimura
- Dauki fault
- David Gillard
- David Wright (British diplomat)
- DeBary Hall
- DeSoto Caverns
- December 2017–January 2018 North American cold wave
- Deception Bay Sea Baths
- Deep Creek Railway Bridge
- Deep Depression ARB 02 (2008)
- Deep hole drilling
- Deinotherium
- Deir Yassin massacre
- Del Rio, Texas
- Delaware River
- Demography of the Roman Empire
- Dental alveolus
- Dentaliida
- Depression of 1882–1885
- Depression of 1882–85
- Deramciclane
- Derby plague of 1665
- Derby, Connecticut
- Derbyshire lead mining history
- Derge Parkhang
- Desolation Island (novel)
- Detachment fold
- Devil chase
- Deyunshe
- Dholavira
- Diamond knife
- Diargon
- Dichtelbach
- Dinocroc vs. Supergator
- Dione (moon)
- Diploria clivosa
- Direct chill casting
- Direct laser interference patterning
- Directive 1999/74/EC
- Disaster Transport
- Discovery and development of HIV-protease inhibitors
- Dodger Stadium
- Dogoše
- Dominick Dunne
- Donald McGauchie
- Dot-com bubble
- Double-well potential
- Dough
- Douglas MacArthur's escape from the Philippines
- Dresden-Friedrichstadt station
- Drombeg stone circle
- Drospirenone
- Drummully (disambiguation)
- Duck Creek Aqueduct
- Dune
- Dungannon Lower
- Dunhuangia
- Dunlop, East Ayrshire
- Dunn, Texas
- Dupath Well
- Dutch Mantel
- Dwyka Group
- Eadestown
- Early 1980s recession in the United States
- Early 1990s recession
- East Hesse Depression
- East Hesse Highlands
- Eastern New Orleans
- Ebenezer Kinnersley
- Eckerwald Memorial
- Economic Cycle Research Institute
- Economic expansion
- Economic impact of the COVID-19 pandemic in the United States
- Economic policy of Donald Trump
- Economic policy of the Barack Obama administration
- Economic policy of the George W. Bush administration
- Economic policy of the Obama administration
- Economic policy of the first Trump administration
- Economy of Colombia
- Economy of Qatar
- Economy of the Australian Capital Territory
- Economy of the United States
- Eddystone Lighthouse
- Eden Park
- Edgeworth Glacier
- Edinburgh Corporation Tramways
- Edstone Aqueduct
- Edward L. Beach Sr.
- Edwardian Farm
- Effects of Hurricane Sandy in New Jersey
- Eger Graben
- Eglisau railway bridge
- Ein Karem
- Ein Kerem
- Eketahuna railway station
- El Cuartelejo
- El Rancho de las Golondrinas
- Elaeocarpus angustifolius
- Elaeocarpus dentatus
- Electric bell
- Electrical conduit
- Electron-beam technology
- Electrooculography
- Eliza Davis
- Elkhart, Kansas
- Elliot Formation
- Elmhurst Avenue station
- Elysium (volcanic province)
- Elysium Fossae
- Elysium quadrangle
- Empress of Blandings
- Endorheic basin
- Enganglima people
- English cricket team in Australia in 1954–55
- English orthography
- English words first attested in Chaucer
- Enid Yandell
- Enki Catena
- Ennedi Plateau
- Environment of Azerbaijan
- Environment of West Virginia
- Environmental impact of nuclear power
- Equatorial Counter Current
- Erich von Falkenhayn
- Eridania quadrangle
- Erie National Wildlife Refuge
- Errigal-Trough
- Escape from Furnace
- Eshmunazar II
- Eshmunazar II sarcophagus
- Estetrol (medication)
- Eugene Tssui
- Euglandina rosea
- Eurazhdarcho
- Euro area crisis
- European Union Council Directive 1999/74/EC
- European debt crisis
- Everglades Pseudoatoll
- Everolimus
- Every Breaking Wave
- Evidence of water on Mars found by Mars Reconnaissance Orbiter
- Evolution of mammalian auditory ossicles
- Evolution of mammals
- Exeter Group
- Experience (Martin Amis)
- Explorer 32
- Explosive cyclogenesis
- Extremes on Earth
- F Is for Family
- FC Dordrecht
- Facial rejuvenation
- FanWing
- Fantastic (magazine)
- Farrow & Ball
- Favour Royal
- Fawlty Towers
- Feather bowling
- Female urinal
- Female urination device
- Fenway Park
- Fernando Fader
- Ferrochrome
- Ficus pseudopalma
- Figa, Bistrița-Năsăud
- Filchner Trough
- Filter bubble
- Financial crisis of 2007–08
- Financial crisis of 2007–2008
- Finger lake
- Firematic Racing
- Firewood processor
- First Achaemenid conquest of Egypt
- Fish anatomy
- Fish jaw
- Fish scale
- Five Glens of Angus
- Fixed-income relative-value investing
- Fjord
- Flash (photography)
- Fljótsdalshreppur
- Floods in the United States (1900–1999)
- Floods in the United States: 1901–2000
- Flowers in the Pavement
- Flush toilet
- Fly system
- Fly-killing device
- Fog Collector
- Fog collection
- Folk festivals in the United States
- Fonserannes Water Slope
- Food and the Scottish royal household
- Food coating
- Ford Hall Forum
- Forearc
- Forest zone
- Forkhill
- Fort Pearsall
- Fortescue River
- Fossa (geology)
- Fossa (planetary nomenclature)
- Fosse Dionne
- Francis of Assisi
- Franklin River
- Fraunhofer Institute for Solar Energy Systems
- Frogs Eat Butterflies. Snakes Eat Frogs. Hogs Eat Snakes. Men Eat Hogs
- Front crawl
- Fruit press
- Fulton Street station (New York City Subway)
- Fur wedge cap
- Furnished cages
- G-5-class motor torpedo boat
- G3 battlecruiser
- Gailtal Alps
- Gakkel Ridge
- Galaxias Fossae
- Gale of January 1976
- Galerna
- Garbage truck
- Gareth (The Walking Dead)
- Gargoyle
- Gartner hype cycle
- Gary C. Butler
- Gear
- Gendèr
- General Electric YF120
- Genoa low
- Geography of Africa
- Geography of Antarctica
- Geography of Hyderabad
- Geography of Ladakh
- Geography of Malawi
- Geography of Missouri
- Geologic record
- Geology of Arkansas
- Geology of Azerbaijan
- Geology of Barbados
- Geology of Belgium
- Geology of Bulgaria
- Geology of Cape Town
- Geology of Croatia
- Geology of Denmark
- Geology of El Salvador
- Geology of Germany
- Geology of Greece
- Geology of Lancashire
- Geology of Malawi
- Geology of Montana
- Geology of Morocco
- Geology of New Hampshire
- Geology of New South Wales
- Geology of New York (state)
- Geology of North Macedonia
- Geology of Queensland
- Geology of Saskatchewan
- Geology of Slovakia
- Geology of Sudan
- Geology of Tasmania
- Geology of Tunisia
- Geology of Ukraine
- Geology of Virginia
- Geology of the Australian Capital Territory
- Geology of the Baltic Sea
- Geology of the Grand Teton area
- Geology of the Iberian Peninsula
- Geology of the Pyrenees
- Geology of the Republic of Artsakh
- Geology of the Zion and Kolob canyons area
- Geology of the southern North Sea
- George Dawkes
- George W. Buck
- George Weston Wrigley
- Getter
- Ghostbusters II
- Gibbs Hill Lighthouse
- Giggleswick
- Gilmour Lumber Company
- Gitta Sereny
- Glacial history of Minnesota
- Glacial landform
- Glacial striation
- Glans penis
- Glasower Damm Ost–Bohnsdorf Süd railway
- Glebe, West Virginia
- Glenmore Trail
- Global cooling
- Glossary of British terms not widely used in the United States
- Glossary of geography terms
- Glossary of nautical terms (M-Z)
- Glossary of nautical terms (M–Z)
- Glossary of nautical terms (S)
- Glossary of pinball terms
- Glossary of surfing
- Glossary of tropical cyclone terms
- Go Go Squid!
- Goat
- Gold standard
- Golden Rock Railway Workshop
- Gommateshwara statue
- Gondola (rail)
- Gongo Soco
- Gooderham Building
- Gore Canyon
- Gorgonopsia
- Gotha G.IV
- Grade I listed buildings in Cumbria
- Grade II listed buildings in Liverpool-L17
- Grand Avenue–Newtown station
- Grand Union Canal
- Grant's Canal
- Great Appalachian Valley
- Great Flood of 1862
- Great Lakes region
- Great Recession
- Great Recession in the United States
- Great Valley Sequence
- Green track
- Greenock West railway station
- Greenock rail accident
- Greenock rail crash
- Greifswald Nuclear Power Plant
- Grenada Basin
- Grete Herball
- Griddle
- Gristmill
- Grünau Cross–Berlin Brandenburg Airport railway
- Guadamur
- Gulf of California moisture surge
- Gullies on Mars
- Gunda Gunde
- Gunda Gunde Monastery
- Gusli
- Gustave Eiffel
- Gustave Whitehead
- Gutter
- Gyanvapi Mosque
- Gyrification
- Göttingen Forest
- Għar Għerduf catacombs
- H.S. Mabry Barn
- HMS Defence (1861)
- HMS Mashona
- HMS Mashona (F59)
- HMS Valerian (1916)
- Hacken Lee
- Halibut Rock
- Halukka
- Hambledon Homestead
- Hammer House of Horror
- Hampshire County, West Virginia
- Handsworth Road
- Hanoverian Southern Railway
- Hardy County, West Virginia
- Hargraves (crater)
- Harlaxton Manor
- Harold Loesch
- Harsiese A
- Harvard Radio Meteor Project
- Hastingleigh
- Haubits FH77
- Health Services Union expenses affair
- Healy Trough
- Hearing loss
- Hebes Chasma
- Hebridean Terrane
- Hellenic Trench
- Henfield, Gloucestershire
- Henrichenburg boat lift
- Henut-wedjebu
- Henutmire
- Hepatitis C and HIV coinfection
- Herbettes Aqueduct
- Herborn, Rhineland-Palatinate
- Herchweiler
- Herringbone gear
- Hesperapis oraria
- Heterolithic bedding
- Heteropterygidae
- Heybridge, Maldon
- HiWish program
- Hiddenite Gem Mines
- High Knob (West Virginia)
- High-frequency ventilation
- Highland Boundary Fault
- Hikurangi (disambiguation)
- Himalayas
- Hinkle Fieldhouse
- Hirata, Gifu
- History of Bay Area Rapid Transit
- History of Braidwood, New South Wales
- History of Finland (1917-present)
- History of Finland (1917–present)
- History of Latin
- History of Wrigley Field
- History of metamaterials
- History of paper
- History of perpetual motion machines
- History of printing in East Asia
- History of the Collingwood Football Club
- History of the battery
- History of the wine press
- Ho, Denmark
- Hofbrunnwerkkanal
- Hofmann Trough
- Hog calling
- Hogging and sagging
- Holden (Martian crater)
- Holmes on Homes
- Homeostat
- Honda Group, Colombia
- Honourable Artillery Company
- Hopi
- Hormone replacement therapy (female-to-male)
- Horse welfare
- Hosjö, Falun
- Household debt
- Household income in the United States
- Hovmöller diagram
- Hoya of Antequera
- Hoya of Baza
- Hoya of Guadix
- Hoyt Hotel
- Huaynaputina
- Huerta de Arriba
- Human-powered watercraft
- Hume-Bennett Lumber Company
- Hungarian cuisine
- Hurricane David
- Hurricane Debby (1982)
- Hurricane Debby (1988)
- Hurricane Epsilon
- Hurricane Esther
- Hurricane Florence (1994)
- Hurricane Frances
- Hurricane Gracie
- Hurricane Gustav
- Hurricane Henri
- Hurricane Henri (1979)
- Hurricane Henriette (2007)
- Hurricane Hortense
- Hurricane Ike
- Hurricane Iniki
- Hurricane Isaac (2012)
- Hurricane Ismael (1989)
- Hurricane John (1994)
- Hurricane Kate (2003)
- Hurricane Keith
- Hurricane Larry
- Hurricane Lili (1984)
- Hurricane Linda (1997)
- Hurricane Luis
- Hurricane Marco (2020)
- Hurricane Maria
- Hurricane Octave (1989)
- Hurricane Olivia (1982)
- Hurricane Ophelia (2005)
- Hurricane Roxanne
- Hurricane Teddy
- Hurricane Tomas
- Hutch
- Hyder flare
- Hydroelectricity
- Hydrophobic collapse
- Hydroxyprogesterone caproate
- Hylaeosaurus
- Hype cycle
- Hypothalamic–pituitary–adrenal axis
- Hösseringen
- I Know What I Have Learned
- Ian Hughes (rugby league)
- Iapetus Ocean
- Iași Botanical Garden
- Icaria Fossae
- Ice Bucket Challenge
- Iheyaspira
- Iloikop wars
- Immunoelectrophoresis
- Imnaha River
- Impact crater
- Impalement
- Incan aqueducts
- Incidents at Six Flags parks
- Indacaterol
- Index of meteorology articles
- Indian Ford Bridge
- Indian Heaven
- Indo-European vocabulary
- Indo-Gangetic Plain
- Industrialization in Germany
- Infant bed
- Infinity pool
- Informal hall
- Infrared heater
- Inman, South Carolina
- Institutional racism
- Interferometry
- Internal tide
- Internal wave
- International Plowing Match
- Internet in Moldova
- Intravenous therapy
- Intrusive rock
- Invagination
- Inverted bell curve
- Inverted relief
- Ion track
- Ionosphere
- Iris schachtii
- Irrigation
- Isasicursor
- Island of Stroma
- Ismail al-Jazari
- Itezhi-Tezhi Dam
- Jaba', Jenin
- Jabllanica
- Jadagan
- James Doolin
- James Marsh (chemist)
- Janis Joplin
- January 1886 blizzard
- Japanese cuisine
- Japanese swordsmithing
- Jasło
- Jean Giraud
- Jean Ross
- Jebel Sasan
- Jehovahkill
- Jerky
- Jernaya
- Jesus
- Jet stream
- Jiang Luxia
- Jianianhualong
- Jim Creek Naval Radio Station
- John 20:12
- John Ericsson
- John Freeman Milward Dovaston
- John Gregory Dunne
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- John Osborne
- John Patrick McNaughton Barn
- Johnstone Shire Hall
- Joplin tornado
- Jordan Formation
- Jordan Valley
- Jordan Valley (Middle East)
- Joseph Brain (academic)
- Joseph Priestley
- Joseph Sherar
- Jrk
- Jubilee Clock Tower
- Judaean Mountains
- Julian Clifford Holmes
- June 20–23, 1957 tornado outbreak sequence
- Junior Coghlan
- K. Rudzki i S-ka
- KV46
- Kaleidoscope
- Kallmann syndrome
- Kamakshi Amman Temple
- Kambalda type komatiitic nickel ore deposits
- Kambole
- Karlsruhe–Basel high-speed railway
- Kelston
- Kem Kem Group
- Kembawacela
- Kennywood
- Kent Plantation House
- Khastakhumar and Bibinagar
- Kiah Creek
- Kihoku, Ehime
- Kimber Manufacturing
- Kindrogan House
- Kinetic isotope effect
- Kingda Ka
- Kirn
- Klamelisaurus
- Kneeboarding (towsport)
- Knoetschkesuchus
- Kohler Co.
- Kondratiev wave
- Kong Family Mansion
- Kordin Temples
- Koritnica, Tolmin
- Korogho church
- Kostojčinoski fulling mill and gristmill
- Kranidi
- Kreyenhagen Hills
- Kuzhithura, Kanyakumari
- Kuzhithurai
- Kuzhithurai, Kanyakumari
- Kūčiukai
- LT vz. 34
- La Vibora
- Labeatis Fossae
- Labor force in the United States
- Lac Deschênes
- Lacamas Creek
- Lacandon
- Lacandon people
- Lacq gas field
- Ladakh
- Laguna del Maule (volcano)
- Laidleria
- Laikipiak people
- Lajatico
- Lake Balkhash
- Lake Bogoria National Reserve
- Lake Kisale
- Lake Manyara
- Lake Menéndez
- Lake Nisqually
- Lake Puyallup
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- Lake Superior agate
- Lake Turkana
- Lake Untersee
- Lake Wakatipu
- Lake Zimbambo
- Laker Airways
- Lakes on Mars
- Lancashire Loom
- Land drains
- Landolphia owariensis
- Landslide classification
- Landwasser Viaduct
- Lansdowne Park, Goulburn
- Larssen sheet piling
- Las Cruces, New Mexico
- Lasiognathus
- Launch track
- Lee wave
- Leechwell
- Leedsichthys
- Leine Uplands
- Leinegraben
- Leipzig–Hof railway
- Lendians
- Lennox–Gastaut syndrome
- Lenophyllum
- Leominster Canal
- Letton, west Herefordshire
- Leucospermum fulgens
- Liaoningvenator
- Libertarian Party (United States)
- Lichfield Canal
- Lichte Trough
- Liddington Castle
- Lift hill
- Lighthouses on Lundy
- Limnoscelis
- Line 16 (Shanghai Metro)
- Linezolid
- Liri
- List of Anglo-Cornish words
- List of Archaeological Protected Monuments in Monaragala District
- List of Belgian films of the 1970s
- List of Boon episodes
- List of California hurricanes
- List of Chinese cultural relics forbidden to be exhibited abroad
- List of Cornish dialect words
- List of Doctor Who universe creatures and aliens
- List of Doctor Who universe creatures and aliens (Q–Z)
- List of Dragonlance locations
- List of Fear Factor (American TV series) episodes
- List of Florida hurricanes (2000–present)
- List of Galician words of Celtic origin
- List of Galician words of Germanic origin
- List of Go Go Squid! characters
- List of Grade B+ listed buildings in County Fermanagh
- List of ISO standards 2000–2999
- List of Indus Valley Civilisation sites
- List of International Organization for Standardization standards, 1–1999
- List of Jewish American businesspeople
- List of Jewish American businesspeople in media
- List of Lowrey organs
- List of Monuments of National Importance in Bangalore circle
- List of National Historic Landmarks in Ohio
- List of National Natural Landmarks in Ohio
- List of Nikola Tesla patents
- List of Oggy and the Cockroaches episodes
- List of Pennsylvania state forest wild areas
- List of Recorded Texas Historic Landmarks (Hunt-Martin)
- List of Roman-to-modern scheduled monuments in Powys (Brecknockshire)
- List of Romeo's Blue Skies episodes
- List of Scheduled Monuments in Neath Port Talbot
- List of Scheduled Roman to modern Monuments in Powys (Brecknockshire)
- List of Sinhala words of Dutch origin
- List of Sites of Special Scientific Interest in Kent
- List of Spanish words of Celtic origin
- List of The Biggest Loser Australia episodes
- List of The Daily Show episodes (2003)
- List of The Simpsons couch gags
- List of The Walking Dead (TV series) characters
- List of Tim and Eric Awesome Show, Great Job! episodes
- List of abbreviations in oil and gas exploration and production
- List of ancient watermills
- List of banned films
- List of battery types
- List of bridges on the National Register of Historic Places in South Dakota
- List of casual dining restaurant chains
- List of chordophones by Hornbostel–Sachs number
- List of cities and towns in Arkansas
- List of economic expansions in the United States
- List of films considered the worst
- List of folk songs by Roud number
- List of heritage sites in Wynberg, Cape Town
- List of idiophones by Hornbostel–Sachs number
- List of lakes of New Zealand
- List of large volume volcanic eruptions in the Basin and Range Province
- List of largest volcanic eruptions
- List of listed buildings in Aberdour, Fife
- List of listed buildings in Dollar, Clackmannanshire
- List of listed buildings in Edinburgh/10
- List of listed buildings in Tealing, Angus
- List of memorials to the Great Famine
- List of mills in Derbyshire
- List of minor Blandings characters
- List of monuments in Floriana
- List of named storms (R)
- List of paintings by Alfred Sisley
- List of paintings by Paul Gauguin
- List of poems by Ivan Bunin
- List of poor law unions in England
- List of prisons in New Zealand
- List of rivers of Ohio
- List of rivers of Oregon
- List of roof shapes
- List of scheduled monuments in Neath Port Talbot
- List of shipwrecks in 1895
- List of shipwrecks in 1896
- List of solar cycles
- List of songs recorded by Richard D. James
- List of state highways in Arkansas
- List of stratigraphic units and structural features in Massachusetts
- List of townlands in County Londonderry
- List of townlands of County Clare
- List of words having different meanings in American and British English (A–L)
- Listed buildings in Acton, Cheshire
- Listed buildings in Aighton, Bailey and Chaigley
- Listed buildings in Aske, North Yorkshire
- Listed buildings in Askwith
- Listed buildings in Barton, Cheshire
- Listed buildings in Berrington, Shropshire
- Listed buildings in Bowland Forest High
- Listed buildings in Burghwallis
- Listed buildings in Buxton
- Listed buildings in Calke
- Listed buildings in Cardington, Shropshire
- Listed buildings in Cheadle and Gatley
- Listed buildings in Claife
- Listed buildings in Congleton
- Listed buildings in Conisbrough and Denaby
- Listed buildings in Cound
- Listed buildings in Denstone
- Listed buildings in Dent, Cumbria
- Listed buildings in Draycott in the Clay
- Listed buildings in Eccleshall
- Listed buildings in Elvaston, Derbyshire
- Listed buildings in Keighley
- Listed buildings in Lymm
- Listed buildings in Mayfield, Staffordshire
- Listed buildings in Myddle and Broughton
- Listed buildings in Neen Sollars
- Listed buildings in Over Wyresdale
- Listed buildings in Rowsley
- Listed buildings in Ryburn
- Listed buildings in Saint Anne's on the Sea
- Listed buildings in Sheffield S13
- Listed buildings in St Cuthbert Without
- Listed buildings in Stalybridge
- Listed buildings in Standish, Greater Manchester
- Listed buildings in Thorne, South Yorkshire
- Listed buildings in Thornley-with-Wheatley
- Listed buildings in Warmfield cum Heath
- Listed buildings in Weston Rhyn
- Listed buildings in Wiswell
- Listed buildings in Woolley, West Yorkshire
- Lithuanian grammar
- Little Bitterroot River
- Little Boston, Washington
- Little Cottonwood Canyon
- Little Ice Age
- Little Nestucca River
- Little Red Riding Hood
- Littlest Pet Shop
- Live from Hell
- Livingstone Falls
- Llandaff Cathedral
- Local field potential
- Local optimum
- Loch Chon
- Loch Vennachar
- Loeuilly
- Lofoten Vortex
- Log house moulder
- Loire Lateral Canal
- Long Depression
- Longitudinal valley
- Longs Peak
- Loom
- Looney Tunes River Ride
- Lord of the Flies (The X-Files)
- Lorry (disambiguation)
- Los Angeles Basin
- Louden Machinery Company
- Lough Derg, County Donegal
- Louis Frederick Roslyn
- Louth (crater)
- Low-carbon fuel standard
- Low-temperature thermal desorption
- Lower Moselle
- Loyal B. Stearns Memorial Fountain
- Lualaba River
- Luangwa River
- Lundy
- Lunga (Slate Islands)
- Lunga, Firth of Lorn
- Lusitanian Basin
- Lysekil Project
- Läuferbrunnen
- MELD-Plus
- MS München
- Mac Amhlaoibh and Mac Amhalghaidh (Irish septs)
- Macellum of Pompeii
- Macquarie Island Marine Park
- Madeira Abyssal Plain
- Maden Hall Farm
- Magnapaulia
- Magnetic coupling
- Mahashraman
- Maitland Mines
- Mak-guksu
- Malcolm Lafargue
- Mali i Hekurave
- Malvern water
- Mammal classification
- Mammoth Spring (Illinois)
- Mamuli
- Man overboard
- Man v. Food (season 7)
- Manger (disambiguation)
- Manihiki Plateau
- Mano (stone)
- Manufacturing in the United States
- Manure management
- March 2009 tornado outbreak sequence
- Mare Acidalium quadrangle
- Mare Australe quadrangle
- Mare Boreum quadrangle
- Mare Tyrrhenum quadrangle
- Mare Undarum
- Mareotis Fossae
- Marian art in the Catholic Church
- Mariana Trench
- Marie Byrd Land
- Marietta Square
- Marin Čilić
- Marine geology of the Cape Peninsula and False Bay
- Marine layer
- Marine sediment
- Mariner (crater)
- Marino, Lazio
- Mark Lathwell
- Mark Penn
- Market correction
- Market cross
- Marly Horses
- Marrah Mountains
- Marree Man
- Marthandam
- Martian polar ice caps
- Marungu highlands
- Mary Ann Unger
- Mary Fenner Dallman
- Masculinizing hormone therapy
- Mataafa Storm
- Maureen O'Hara
- Mawson Plateau
- May 1997 Bangladesh cyclone
- May 2004 Caribbean floods
- Mbeya Range
- McGees Bridge
- Mcgees Bridge
- Mean piston speed
- Measuring instrument
- Mechanism design
- Mechanism of sonoluminescence
- Megalosaurus
- Meiolania
- Memnonia quadrangle
- Mendocino National Forest
- Mertvy Donets
- Meshkeysor
- Mesoscale meteorology
- Metamaterial antenna
- Metastability
- Meteorological history of Hurricane Luis
- Meteorological history of Typhoon Haiyan
- Metro Atlanta
- Mi Zhu
- Michael Miu
- Michelson–Morley experiment
- Mickle Trafford
- Microtome
- Middle English phonology
- Mike Edmonson
- Military reforms resulting from the Yên Bái mutiny
- Mill Creek Mountain
- Millard Fillmore
- Millennials
- Millennials in the United States
- Miller Glacier
- Millers Point & Dawes Point Village Precinct
- Millers Point Conservation Area
- Mimas (moon)
- Minecart
- Mineral processing
- Minimum railway curve radius
- Mining in Colorado Springs, Colorado
- Mining works on Towers Hill
- Minoan religion
- Miraah
- Mirador Basin
- Missouri University of Science and Technology
- Mixco Viejo
- Miyamoto (crater)
- Mizo people
- Mlava
- Moenave Formation
- Molteno Formation
- Momentum (technical analysis)
- Mona Passage
- Monagrillo (archaeological site)
- Monero
- Monero (cryptocurrency)
- Monjolo
- Mont Cenis Pass Railway
- Montaña Suiza
- Montreal flood of 1987
- Moot Hall, Wirksworth
- Moot hill
- Morganucodonta
- Mortar (masonry)
- Mortimer & Whitehouse: Gone Fishing
- Mount Rungwe
- Movable type
- Movilla Abbey
- Moweaqua, Illinois
- Mu kratha
- Mullaghmore
- Munhata
- Murg (Northern Black Forest)
- Music of Nigeria
- Muskox intrusion
- Mutathura Mahadever Temple
- My Cup Runneth Over
- My cup runneth over
- Myra Falls, Canada
- Mysteries of Isis
- N3-class battleship
- NASDAQ Composite
- NFU Mutual
- Nam Con Son Basin
- Nankoweap Formation
- Nanling Mountains
- Napeequa River
- Narcissus cyclamineus
- Narhar Ambadas Kurundkar
- Nathan Blecharczyk
- Nathaniel Fillmore
- National Bureau of Economic Research
- National Hotel (Miami Beach, Florida)
- National Museum of Rural Life
- National Register of Historic Places listings in Jefferson County, West Virginia
- National Register of Historic Places listings in Washington County, Maryland
- National Scenic Byway
- National pipe thread
- Nativity scene
- Navigable aqueduct
- Našice
- Neath and Tennant Canal
- Neenah Nodaway Yacht Club
- Neil Harvey
- Nenana Ice Classic
- Neu-Ulm station
- New Mexican cuisine
- New Orleans East
- Newcastle, New South Wales
- Newman Springs, California
- Newspaper
- Newton's rings
- Newton, New Jersey
- Niederbrombach
- Niederfinow Boat Lift
- Niederwil, Solothurn
- Night of Decadence
- Nightingale Floors
- Nili Fossae
- Nisf Jubeil
- Niš
- No Sanctuary (The Walking Dead)
- No free lunch theorem
- Noctis Labyrinthus
- Non-24-hour sleep–wake disorder
- Non-ferrous extractive metallurgy
- Nonlinear tides
- Nor'west arch
- Norfolk Marine Park
- Norfolk dialect
- Normal mode
- Norman Lamont
- North Fiji Basin
- North Monaghan (UK Parliament constituency)
- North Sea flood of 1978
- Northern Boulevard station
- Northern Fells
- Northrop YF-23
- Novaculite
- Nuclear and radiation accidents and incidents
- Nuclear power
- Nuclear power in the United States
- Nullotitan
- Nuremberg–Ingolstadt high-speed railway
- Nymphaeum (Olympia)
- O'Brien's Bridge
- Oberon Old and New
- Obusier de 200 "Pérou" sur affût-truck TAZ Schneider
- Occluded front
- Ocean fisheries
- Oceanic plateau
- Odontochelys
- Oil reserves in the United States
- Oil skimmer
- Ojibwe
- Olary, South Australia
- Olav Duun
- Old City (Bern)
- Old English grammar
- Old Pine Church
- Oliver Avenue Bridge
- Oliver Kuhn
- Olympica Fossae
- Olympus Mons
- Omana Regional Park
- Omega equation
- Onida Electronics
- Open Casket
- Open wagon
- Operation Backfire (World War II)
- Operation Lucid
- Opportunity mission timeline
- Optical flat
- Orb Aqueduct
- Ore Mountain passes
- Oregon National Primate Research Center
- Orography of Azerbaijan
- Orphan basin
- Osiris
- Ough (orthography)
- Outboard Marine Corporation
- Overflow downdraw method
- Overhead line
- Owens Valley
- PIAT
- PTD
- Pacific Northwest canoes
- Pacific hurricane
- Pad printing
- Padayatra
- Pail closet
- Palatine Lion
- Palo Alto Networks
- Palus Epidemiarum
- Paluxy River
- Pamir (ship)
- Pandora's box
- Panic of 1847
- Panic of 1893
- Panthalassa
- Panzer 35(t)
- Paola, Malta
- Papakating Creek
- Paper machine
- Para-equestrian classification
- Paramylodon
- Park-to-reverse
- Pascal Dagnan-Bouveret
- Pasighat
- Pasta processing
- Pasture
- Patrick Ganly
- Pauk-class corvette
- Pavonis Mons
- Peace Monument (Decatur, Indiana)
- Pebble Mine
- Pee Dee Area Council
- Penis
- Pennsylvania Railroad 5550
- Penrith railway station, Sydney
- Pentecôte River
- Peppa Pig
- Perrotine printing
- Pesse canoe
- Peter Wentz Homestead
- Petroleum Warfare Department
- Petrovsky District, Tambov Oblast
- Phacolith
- Phaethontis quadrangle
- Phantomosaurus
- Phase response curve
- Phase-change material
- Phoenicis Lacus quadrangle
- Phoenix (spacecraft)
- Phoenix Plate
- Phonological change
- Pig iron
- Pig-faced women
- Pilot fatigue
- Pinball
- Pinch (plasma physics)
- Pineapple
- Pineapple pit
- Pinnacle Mountain (Arkansas)
- Pinning points
- Pinsetter
- Pintosmalto
- Pioneer Valley
- Piora Oscillation
- Piotrowice (Katowice)
- Pissdale
- Pissing contest
- Pit of despair
- Pitt Lake
- Place names in Ireland
- Placer mining
- Plan Espiritual de Aztlán
- Plateau–Rayleigh instability
- Platyognathus
- Playa Zipolite
- Playboating
- Plemmyradytes
- Po Valley
- Poland China
- Political positions of Rand Paul
- Poly(A)-binding protein
- Pomona, Queensland
- Pongola River
- Postdentary trough
- Poti-class corvette
- Potomac Eagle Scenic Railroad
- Potomac Mills (Shepherdstown, West Virginia)
- Potomac River
- Poultry feed
- Poverty
- Power loom
- Pressy
- Priene
- Pringle Stokes
- Professional golf tours
- Prokletije
- Propellant management device
- Propeller
- Propeller theory
- Proto-Min language
- Pseudodiploria clivosa
- Pterofiltrus
- Public land
- Puddling (metallurgy)
- Puerta del Vado
- Puget Sound
- Puget Sound faults
- Pulse oximetry
- Pumping (computer systems)
- Puysegur Trench
- Pål Olson Grøt
- Písek Stone Bridge
- QV75
- Qajartalik
- Qiantang River
- Quantum carpet
- Quern-stone
- Quirke Lake
- R. Austin Freeman
- RF chain
- RMS Mauretania (1906)
- RMS Titanic
- RV Vema
- Radio direction finder
- Rafting
- Rahat
- Raid on Norias Ranch
- Railroad car
- Railroad tie
- Railway track
- Rajasaurus
- Ramgarh district
- Ranat ek
- Ranat thum
- Rangitata Gorge
- Rangkul Valley Important Bird Area
- Rastatt Tunnel
- Ratchasimasaurus
- Rauheneck Castle (Ebern)
- Rayner Memorial Clock Tower
- Reaganomics
- Real tennis
- Recent Songs
- Recession of 1953
- Recession shapes
- Reconstruction era
- Red Sea Rift
- Redheugh Bridge
- Redman Pond
- Redtail chub
- Refining (metallurgy)
- Reformation in the Kingdom of Hungary
- Regent Theatre, Wollongong
- Regent's Canal
- Rehabilitation robotics
- Rekha
- Renal pelvis
- Renewable energy in Australia
- Renewable energy industry
- Rescue toboggan
- Researcher Ridge
- Resistance paper
- Rhabdosphincter
- Rheobase
- Rhodohypoxis baurii
- Rice cooker
- Richard Boston
- Richard D. James discography
- Richard Rhodes (sculptor)
- Rick Strassman
- Ridiculously Resilient Ridge
- Riemer See
- Rift valley
- Rim Runner
- Rima Ariadaeus
- Rimfire ammunition
- Rinner Trough
- Rio Vista Gas Field
- River chub
- Robert Peary
- Robert Sibley Volcanic Regional Preserve
- Robinson (Lake District)
- Rock garden
- Rocket launcher
- Rocky Harbour Formation
- Rogers Pass (British Columbia)
- Rolle Bolle
- Rolle bolle
- Roller Coaster (Great Yarmouth Pleasure Beach)
- Roller printing on textiles
- Roller skating
- Rolling In It
- Romney Academy
- Roneat dek
- Roneat thung
- Ronquières inclined plane
- Roofline
- Rose (mathematics)
- Ross Sea
- Rostov Nature Reserve
- Rotary vacuum-drum filter
- Rotating biological contactor
- Rotbach (Dreisam)
- Rothensee boat lift
- Rotor
- Rotten Calder
- Rufforth
- Rutford Ice Stream
- Ryan McHugh
- Ryan Well Historical Reserve
- Ryde Bridge
- Résistance Joué-du-Plain and the Assassination of Emile Buffon
- S&P 500
- S&P 500 Index
- S&P Leveraged Loan Index
- SAG
- SD Erandio Club
- SGB Championship 2018
- SS Andaste
- SS Anglo-Australian (1927)
- SS Chicora
- SS Choctaw
- SS Georgia
- SS Georgia (1908)
- SS Howard M. Hanna Jr.
- SS M.M. Drake (1882)
- SS Myron
- SS William B. Davock
- SV Mandalay
- Saalfelden
- Sabil-Kuttab of Katkhuda
- Sacred Falls State Park
- Sacred and Profane Love
- Sagging
- Sago
- Saint Bathans mammal
- Saint symbolism: Saints (Q–Z)
- Salamander
- Salivary gland
- Salvia indica
- Salwick
- San Giusto Canavese
- San Quintín Volcanic Field
- Sandholme, East Riding of Yorkshire
- Sangli district
- Sangusaurus
- Sarcophagus of Eshmunazar II
- Sardinia
- Sarek National Park
- Sarir field
- Sastrugi
- Sawatch Uplift
- Saxon Loess Fields
- Say It Right
- Scelidosaurus
- Scenic Railway (roller coaster)
- Schamel equation
- Scharnebeck twin ship lift
- Schlachterladen in Schäftlarn an der Isar
- Schmißberg
- Schmon River
- Schuylkill River Trail
- Schwarzmüller
- Science and technology of the Han dynasty
- Scottish art
- Scottish surnames
- Screw conveyor
- Screw turbine
- Scrollbar
- Seasonal effects on suicide rates
- Sebastian Indian Reservation
- Seconds (1966 film)
- Sedimentary basin
- Seha Sorghum Mill
- Self-Defence of the Republic of Poland
- Semantic network
- Seneca Glass Company
- Sequencing batch reactor
- Serpent Mound crater
- Serpula
- Set This House on Fire
- Setarchinae
- Seven Iron Brothers
- Severe thunderstorm watch
- Sex-positive feminism
- Shakhtau
- Shamirpur
- Shavers Fork
- Shaw Trough
- Sheep
- Sheep dip
- Sheep dip (computing)
- Sheffield Cross
- Sheila Copps
- Shetland Plate
- Shinumo Quartzite
- Shipping cycle
- Shipping during the Panic of 1893
- Shkëlzen
- Shoshenq II
- Shrob ou shouf fountain
- Shuotherium
- Side friction roller coaster
- Siepen
- Silas Canyon
- Silas Canyon (Wyoming)
- Siletzia
- Silverwood Theme Park
- Sima Yi
- Simi Valley
- Simi Valley (valley)
- Simulacrum
- Sink
- Sinking of the Titanic
- Sirolimus
- Sirte Basin
- Six Flags AstroWorld
- Six Flags Over Georgia
- Skittles (sport)
- Skull
- Slack
- Sleep
- Slime Time Live
- Slot car
- Smile (Beach Boys album)
- Smile (The Beach Boys album)
- Smith River (Umpqua River tributary)
- Smoko at the Pet Food Factory
- Snake River
- Snake River Valley AVA
- Snow Mountain Wilderness
- Snow angel
- Snow snake
- Sobretta-Gavia Group
- Society for the Prevention of Cruelty to Animals, Monterey County, California
- Soft drink
- Solander Islands
- Solomon Islands National Museum
- Song of the Bell
- Sonic logging
- Sonoluminescence
- Sonoma orogeny
- Sonya-class minesweeper
- Sophia of Rome
- South African Class 25 4-8-4
- South African Class GM 4-8-2+2-8-4
- South Branch Potomac River
- Southall
- Southern Scots
- Spaghetti plot
- Spalding railway
- Spatial frequency
- Spinning roller coaster
- Spirit of Communication
- Spisula sachalinensis
- Spontaneous symmetry breaking
- Sporting Love (film)
- Squat toilet
- St Ann's Well (Buxton)
- St Catherine's Lighthouse
- St Cuthbert's Church, Edinburgh
- St Mary's Church, Bruera
- St. Johns River
- Stamford Brook
- Stan Bolovan
- Stanisław Szukalski
- Star Trek II: The Wrath of Khan
- Steinway Street station
- Steppe Geoglyphs
- Stepped gable
- Sterling Hill Mining Museum
- Stirling boiler
- Stock Exchange of Thailand
- Stojan Koruba
- Stokes State Forest
- Stone Corral Creek (Colusa County, California)
- Stone Table
- Storm Athina
- Storm Candelaria
- Storm David
- Storm Gloria
- Storm Runner
- Straight dough
- Strength of ships
- Stretton Aqueduct
- Stroma, Scotland
- Struck idiophone
- Styloglossus
- Subanon people
- Submarine landslide
- Submarine pipeline
- Subprime mortgage crisis
- Sudd
- Sugar Pine, California
- Sugar refinery
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- Summerland Oil Field
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- Sunglint
- Supai Group
- Surma River
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- Suruga
- Suruga Bay
- Survivor 44
- Survivor South Africa: Champions
- Survivor: David vs. Goliath
- Survivor: Redemption Island
- Sutphin Boulevard station (IND Queens Boulevard Line)
- Sverdlov-class cruiser
- Svyataya Anna
- Swallowing
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- Swing bridge
- Symmetry breaking
- Syncline
- Synoptic scale meteorology
- Synthetic Fuels Corporation
- Syrtis Major Planum
- Syrtis Major quadrangle
- Tabarin Peninsula
- Tabea Alt
- Tanks of Czechoslovakia
- Tanystropheus
- Tarantul-class corvette
- Taraxerol
- Tauragat Well
- Taşoluk
- Tea Horse Road
- Tectonics of Mars
- Tehuelche people
- Tempe Terra
- Temperance movement in the United States
- Tennessee–Vanderbilt football rivalry
- Terra Linda, San Rafael, California
- Terra Sirenum
- Terrain park
- Terranora interconnector
- Tethys Ocean
- Text nailing
- Tharsis
- Tharsis quadrangle
- The Amazing Race 14
- The Amazing Race 19
- The Amazing Race Canada 9
- The Biggest Loser Australia (season 8)
- The Challenge XXX: Dirty 30
- The Commercial, Herne Hill
- The Decameron (1971 film)
- The Decameron (film)
- The Devil's Farmhouse
- The Farm (Miró)
- The Goat and Her Three Kids
- The Green Child
- The Gulf Stream (painting)
- The Hair (film)
- The High End of Low
- The Hurting
- The Jacka
- The Live Ghost
- The Magician's Horse
- The Marvelous Misadventures of Flapjack
- The Moss
- The Old Man and his Grandson
- The Painted Man
- The People of Juvik
- The Piglet Files
- The Pyramid (Antarctica)
- The Red Badge of Courage
- The Speewah
- The Tale of the Fisherman and the Fish
- The Ten Commandments (1956 film)
- The Tree of Life (film)
- The Trough (film)
- The Werehouse
- The White Dove (Danish fairy tale)
- The Witch in the Stone Boat
- The Wrecking Crew (Frank book)
- The Year of the Jackpot
- Thermal desorption
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- Theta wave
- Thiel
- Thin Man 1
- Third International Theory
- Thomas Charles Hope
- Thomas Ridgeway, 1st Earl of Londonderry
- Thomas Temple Fountain
- Thomasomys ucucha
- Thorax porcellana
- Thracian language
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- Three-drum boiler
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- Thunder sheet
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- Thurgartstone
- Thuringian Forest
- Thuya
- Tiachiv Raion
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- Tim Patterson
- Timber Mountain Log Ride
- Timbercorp
- Timbral listening
- Timeline of Hurricane Katrina
- Timeline of Opportunity
- Timeline of Opportunity (rover)
- Timeline of historic inventions
- Timeline of reactions to the 2020 Hong Kong national security law (June 2021)
- Timeline of reactions to the Hong Kong national security law (June 2021)
- Timeline of special relativity and the speed of light
- Timeline of the 1995 Atlantic hurricane season
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- Times Square–42nd Street/Port Authority Bus Terminal station
- Tinker
- Tinkers Creek (Cuyahoga River tributary)
- Tipping Point (game show)
- Tiranny
- Titanic
- Titanosaurus
- Tjuyu
- Tobago Cays
- Toilet
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- Tolkien's prose style
- Tolkien's style
- Tom Goes to the Mayor
- Tomb of Nefertari
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- Tongue
- Tonj River
- Toothed seadevil
- Tornado outbreak of April 13–16, 2012
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- Tornadoes of 2008
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- Torosaurus
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- Torridonian
- Torrs Hydro
- Torvosaurus
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- Trade (film)
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- Treetrunk coffin
- Trench drain
- Tribosphenida
- Trimetazidine
- Troff
- Troffer
- Tropical Depression Five-E (2008)
- Tropical Storm Andrea (2013)
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- Tropical Storm Mindy
- Tropical Storm Nestor (2019)
- Tropical Storm Olga (2007)
- Tropical cyclone forecasting
- Tropical cyclones in 1996
- Trough (barony)
- Trough (economics)
- Trough (meteorology)
- Trough battery
- Troughman
- Trow
- Tsunami
- Tsunami-proof building
- Tubercle effect
- Tumaco
- Turbidite
- Turpan Depression
- Turricula granobalteus
- Tutedhara
- Twist-necked turtle
- Type 10 and Type 3 Rocket Boosters
- Type 10 and Type 3 rocket boosters
- Type VII submarine
- Typhoon Alice (1979)
- Typhoon Chaba (2004)
- Typhoon Dolphin (2008)
- Typhoon Goni (2020)
- Typhoon Mary (1960)
- Typhoon Morakot
- Typhoon Nina (1975)
- Typhoon Sinlaku (2002)
- Typhoon Viola (1969)
- Typhoon Wayne (1983)
- Typhoon Yagi
- Tyrannosaurus
- U-Bahn Line A (Frankfurt U-Bahn)
- U9 (Berlin U-Bahn)
- UPhongolo Local Municipality
- US-1 Trucks
- USCGC Bedloe
- USCGC Bedloe (WSC-128)
- USCGC General Greene
- USCGC Jackson
- USCGC Jackson (WSC-142)
- USNS Bald Eagle
- USS Artemis (SP-593)
- USS Baltimore (SSN-704)
- USS Hull (DD-350)
- USS Southard
- USS Southard (DD-207)
- USS Tennessee (ACR-10)
- USS Warrington (DD-383)
- Ual (tool)
- Uasin Gishu people
- Ulster English
- Ultramicrotomy
- Uncanny valley
- Under the Skin (2013 film)
- Underwater hockey
- Unemployment in the United States
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- United Kingdom parliamentary expenses scandal
- United States
- United States farm bill
- University of Puerto Rico at Mayagüez
- Unterjeckenbach
- Upper Rhine Plain
- Urimaikural
- Urinal
- Urine deflector
- Urine-diverting dry toilet
- Uruk
- Utilities of Seattle
- Utopia (Australian TV series)
- V-Nee Yeh
- Vacuum tube
- Vadakkanadu
- Valdiviathyris quenstedti
- Valhalla (1986 film)
- Valley
- Valley View (Romney, West Virginia)
- Valley step
- Valley, West Virginia
- Van't Hoff (crater)
- Vapor cone
- Varban Stamatov
- Vase de Noces
- Vedi (altar)
- Vermilion Point
- Vermilion River Observatory
- Viaphacops
- Victor Meyer apparatus
- Victorian Railways S type carriage
- Viedma Lake
- Vilevolodon
- Vilém Flusser
- Vinappris
- Vincent Hayward
- Vineyard Haven, New Italy
- Violin Concerto (Beethoven)
- Volkert van der Graaf
- Vollmersbach
- Voyage of the Brooklyn Saints
- W. N. T. Beckett
- Waboba
- Waconda Spring
- Wacton, Norfolk
- Waituhi
- Wakeboard boat
- Wall Street station (IRT Lexington Avenue Line)
- Wallaby Plateau
- Wallops Flight Facility
- Walter Rotman
- Walther TPH
- Walworth, County Durham
- Wappocomo (Romney, West Virginia)
- War of 1812
- Wasgau
- Washing machine
- Washingtonville, New York
- Washstand
- Water clock
- Water coaster (roller coaster)
- Water on Mars
- Water scoop (hydropower)
- Wave interference
- Wave power
- Wave-formed ripple
- Wave-making resistance
- Weather map
- Welton, Lincolnshire
- West Burton power stations
- West Lusatian Hill Country and Uplands
- Western Outfall Main Sewer
- Whale Chine
- Whaling in Madagascar
- White Sea Rift System
- Whitemud Formation
- Wickham, Hampshire County, West Virginia
- Widgiemooltha Komatiite
- Widmerpool (disambiguation)
- Wiehl
- Wiese
- Wiese (river)
- Wildlife of Burundi
- Willamette River
- William Fairbairn
- William Reid Clanny
- William S. Burroughs
- Wilson Piedmont Glacier
- Wimbolds Trafford
- Wind-wave dissipation
- Windgfällweiher
- Winn's Common
- Winnipeg Arena
- Winter landscapes in Western art
- Wintergartenhochhaus
- Wisconsin Concrete Park
- Wismut (mining company)
- Withrow, Washington
- Woodblock printing on textiles
- Woodhaven Boulevard station (IND Queens Boulevard Line)
- Woodside, London
- Woodway House
- Woolwich Power Station
- Wootton Wawen Aqueduct
- Worcester tornado
- Worcestershire Beacon
- Working time
- World Waterpark
- Wreck of the Ephraim Williams
- Wright Glider
- Wrinkle ridge
- Wye College
- Wye Downs
- Wye and Crundale Downs
- Wye, Kent
- Wyre Forest District Council election, 2003
- Würzburg Residence
- Xuanhuaceratops
- Xylophone
- Xépôn
- Yangpu Ancient Salt Field
- Yardang
- Yearby
- Yellala Falls
- Yellowstone hotspot
- Yiddish words used in English
- Yinotheria
- Yoram Taharlev
- Yorkshire dialect
- Yosemite Decimal System
- Young (crater)
- Yup'ik cuisine
- Zapovednik
- Zduhać
- Zenith Plateau
- Zhuk-class patrol boat
- Zion, Illinois
- Zither
- Čohovo
- Ōmana Regional Park
- Śmigus-dyngus