Search by letter: R
Search by letter
Search by letter: R
- Rebellion: causes, forms, historical examples, and consequences Rebellion
- Rebellious Soul — debut album by K. Michelle Rebellious Soul
- Rébénacq: a commune in the foothills of the French Pyrenees Rébénacq
- Rebergues (commune in Pas-de-Calais) Rebergues
- Rebeuvelier — former municipality in the canton of Jura, Switzerland Rebeuvelier
- Rebévelier — small municipality in the Jura bernois, canton of Bern Rebévelier
- Rebirth (Lil Wayne album) Rebirth (album)
- Rebirth (Jennifer Lopez album)
- Reboot (fiction): restarting and reimagining an existing fictional universe Reboot (fiction)
- Reborrowing (linguistics) Reborrowing
- Rebreuve-Ranchicourt: commune in Pas-de-Calais, northern France Rebreuve-Ranchicourt
- Rebreuve-sur-Canche
- Rebreuviette
- Rebstein — municipality in the Rhine valley, canton of St. Gallen Rebstein
- Rebus: visual wordplay using pictures, letters, numbers and symbols Rebus
- Recapitulation theory (ontogeny recapitulates phylogeny) Recapitulation theory
- reCAPTCHA
- Recea, Brașov — a rural commune in central Romania Recea, Brașov
- Receipt: proof of a transaction or delivery Receipt
- Received Pronunciation — the traditional prestige accent of British English Received Pronunciation
- Receiver (communications) Receiver
- Recep Tayyip Erdoğan: Turkish political leader and president Recep Tayyip Erdoğan
- Reception history of Jane Austen: emergence, scholarship, and popular culture Reception history of Jane Austen
- Receptor (cell biology)
- Receptor antagonist
- Recess (Skrillex album) Recess (album)
- Recession (economic downturn) Recession
- Rechargeable battery (secondary cell): overview, types, uses and safety Rechargeable battery
- Recherswil — municipality in the district Wasseramt, canton of Solothurn Recherswil
- Rechthalten — municipality in the Sense district, canton of Fribourg Rechthalten
- Rechtsstaat: the legal-state principle in continental Europe Rechtsstaat
- Recife — capital of Pernambuco, Brazil Recife
- Recipe: Definition, Components, History, and Practical Uses Recipe
- Recipe for Hate — Bad Religion album (1993) Recipe for Hate
- Reciprocal (multiplicative inverse) — definition, properties and examples Reciprocal
- Recital (music): solo performances, history, repertoire and venues Recital
- Recitative: the speech-like vocal style in opera, oratorio and cantata Recitative
- Recke — municipality in Steinfurt, North Rhine-Westphalia Recke
- Reckendorf: a small municipality in Upper Franconia, Bavaria Reckendorf
- Reckingen-Gluringen — former municipality in the Goms valley, Valais, Switzerland Reckingen-Gluringen
- Reckitt Benckiser (RB Group): British Consumer Goods Company Reckitt Benckiser
- Recklinghausen — city in the Ruhr area of North Rhine-Westphalia Recklinghausen
- Recklinghausen (district)
- Réclère — village in Haute-Ajoie, Canton of Jura, Switzerland Réclère
- Reclinghem — commune in Pas-de-Calais, France Reclinghem
- Recognition (cognitive process) Recognition
- Recognition signal
- Recoil (firearms): causes, effects, and mitigation Recoil
- Recoilless rifle: design, history, uses, and operational considerations Recoilless rifle
- Reconciliation (Christian theology) Reconciliation
- Reconnaissance: Military Scouting, Methods, History and Civil Uses Reconnaissance
- Reconquista (Iberian Christian reconquest, c. 8th–15th centuries) Reconquista
- Reconstruction Amendments the Thirteenth, Fourteenth, and Fifteenth amendments to the United States Constitution
- Reconstruction era (United States, 1865–1877) Reconstruction era
- Reconstructionist Judaism: an evolving Jewish movement Reconstructionist Judaism
- Reconstructor — Ubuntu ISO customization tool Reconstructor
- Reconvilier (municipality in the Bernese Jura, Switzerland) Reconvilier
- Record (document, audio, data, and achievement) Record
- Record chart
- Record label (record company) Record label
- Record producer (music producer) Record producer
- Recorded Music NZ (formerly RIANZ) Recorded Music NZ
- Recorder (musical instrument): overview, construction, history, and uses Recorder
- Recording: capturing information, media, history, and uses Recording
- Recording Industry Association of America (RIAA) Recording Industry Association of America
- Recording Industry Association of Japan (RIAJ): history, role and certifications Recording Industry Association of Japan
- Recording studio
- Records of the Grand Historian (Shiji) Records of the Grand Historian
- RecordTV (Rede Record) — Brazilian television network RecordTV
- Récourt (Pas-de-Calais) Récourt
- Recover (EP) — Chvrches' debut EP Recover EP
- Recovery (Eminem album) Recovery
- Recques-sur-Course
- Recques-sur-Hem (Pas-de-Calais) Recques-sur-Hem
- Recreation: forms, benefits, settings, and social role Recreation
- Recreation Ground, Bath (the Rec) Recreation Ground (Bath)
- Recruitment: processes, methods, and modern practices Recruitment
- Rectangle: definition, properties, uses, and related concepts Rectangle
- Rectifier: Converting Alternating Current to Direct Current Rectifier
- Rector, Arkansas
- Rectory Road railway station, Stoke Newington (London Overground) Rectory Road railway station
- Rectum (anatomy, function, and clinical importance) Rectum
- Rectus abdominis muscle
- Reculver — Roman fort and medieval church ruins on the Kent coast Reculver
- Recursion: concept, structure, history, and applications Recursion
- Recy Taylor: 1944 survivor whose case helped galvanize early civil rights activism Recy Taylor
- Recycling: processes, materials, benefits and practical guidance Recycling
- Recycling symbol
- Red (color) Red
- Red (2010 film) Red (2010 movie)
- Red 2 (2013 film) Red 2
- Red Adams (1921–2017): American pitcher, scout and pitching coach Red Adams
- Red admiral (Vanessa atalanta) Red admiral
- Red algae (Rhodophyta): biology, ecology and human uses Red algae
- Red Apple, California — Unincorporated Community in Calaveras County Red Apple, California
- Red Army (Soviet armed force) Red Army
- Red Army Faction (RAF) — West German militant left-wing group Red Army Faction
- Red Bank, New Jersey
- Red Bay, Alabama — small city in Franklin County Red Bay, Alabama
- Red beds: oxidized continental sedimentary rocks and their significance Red beds
- Red blood cell (erythrocyte) Red blood cell
- Red Bluff, California — City and County Seat in Northern California Red Bluff, California
- Red box (payphone phreaking device) Red box
- Red brick university
- Red Bridge (Campbell Town, Tasmania) Red Bridge (Tasmania)
- Red Bud, Illinois
- Red Bull (energy drink) Red Bull
- Red Bull Arena (Harrison, New Jersey) Red Bull Arena (Harrison)
- Red Bull Arena, Leipzig: Modern Football Stadium and RB Leipzig's Home Red Bull Arena (Leipzig)
- Red Bull Arena (Wals-Siezenheim) — football stadium in Salzburg region Red Bull Arena (Salzburg)
- Red Bull Bragantino
- Red Bull Brasil Brazilian association football club
- Red Bull GmbH — Austrian energy drink company Red Bull GmbH
- Red Bull Racing — Formula One team Red Bull Racing
- Red Buttons (Aaron Chwatt) Red Buttons
- Red card (sports penalty) Red card
- Red Chute, Louisiana
- Red Clay Creek
- Red Dawn (1984 film) Red Dawn (1984 movie)
- Red Dead Redemption
- Red deer (Cervus elaphus): description, range, behavior and human uses Red deer
- Red Deer Rebels (Western Hockey League) Red Deer Rebels
- Red Deer, Alberta: Central Alberta City on the Red Deer River Red Deer, Alberta
- Red dwarf star Red dwarf
- Red Fisher — Canadian hockey journalist and longtime Montreal Canadiens columnist Red Fisher
- Red Fort (Lal Qila) — Mughal citadel in Old Delhi Red Fort
- Red fox (Vulpes vulpes) Red fox
- Red giant (stellar evolution stage) Red giant
- Red Grange
- Red hair
- Red Hat Linux — discontinued community distribution and its legacy Red Hat Linux
- Red Hat sects in Tibetan Buddhism Red Hat sect
- Red herring (fallacy and literary device) Red herring
- Red Hills (Gypsum Hills) — distinctive red rock region of southern Kansas Red Hills (Kansas)
- Red Hood (DC Comics identity) Red Hood
- Red Hook (village), New York
- Red Hook, New York — town in Dutchess County Red Hook, New York
- Red Hot Chili Peppers: history, style, members, and legacy Red Hot Chili Peppers
- Red Hot Riding Hood — Tex Avery's 1943 animated short Red Hot Riding Hood
- Red huckleberry (Vaccinium parvifolium) Red huckleberry
- Red junglefowl (Gallus gallus) Red junglefowl
- Red kangaroo
- Red Kelly (Canadian ice hockey player, coach and politician) Red Kelly
- Red kite (Milvus milvus) Red kite
- Red Lake County, Minnesota
- Red Level, Alabama
- Red Line (CTA) — Chicago's north–south rapid transit route Red Line (CTA)
- Red Lodge, Montana: Mountain Town and Gateway to Yellowstone Red Lodge, Montana
- Red McCombs: American businessman, sports owner, and philanthropist Red McCombs
- Red Murrell — American college basketball standout Red Murrell
- Red Norvo — American jazz vibraphonist and early jazz percussion innovator Red Norvo
- Red Oak, Iowa: overview, history, and local features Red Oak, Iowa
- Red Oak, Oklahoma
- Red panda (Ailurus fulgens): overview, traits, and conservation Red panda
- Red Party (Norway)
- Red pine (Pinus resinosa) Red pine
- Red Prophet (1988 novel) Red Prophet
- Red Red Wine
- Red ribbon (symbol of HIV/AIDS awareness) Red ribbon
- Red River (rivers and related uses) Red River
- Red River County, Texas
- Red River of the North — course, characteristics, history, and importance Red River of the North
- Red River Parish, Louisiana
- Red River Rebellion (1869–1870): Métis resistance and the creation of Manitoba Red River Rebellion
- Red Schoendienst
- Red Sea: geography, ecology, history and economic importance Red Sea
- Red Sea Governorate (Egypt) Red Sea Governorate
- Red shift in astronomy Red shift
- Red Simpson: Trucker Songs and the Bakersfield Country Tradition Red Simpson
- Red Skelton: American comedian, actor and television personality Red Skelton
- Red Skies of Montana (1952 film) Red Skies of Montana
- Red snapper (Lutjanus campechanus) Red snapper
- Red Spooner (Andrew George Spooner) — Canadian NHL goaltender Red Spooner
- Red Square (Moscow) Red Square
- Red Star Belgrade (FK Crvena zvezda) Red Star Belgrade
- Red Star F.C.: historic Paris-area football club from Saint-Ouen Red Star F.C.
- Red Sullivan: Canadian NHL Player and Coach Red Sullivan
- Red supergiant
- Red Tory (political tradition) Red Tory
- Red Velvet (South Korean girl group) Red Velvet (group)
- Red West (1936–2017) — American actor, stuntman and songwriter Red West
- Red Willow County, Nebraska
- Red Wing, Minnesota — river city with industry, history, and bluffs Red Wing, Minnesota
- Red wolf (Canis rufus) Red wolf
- Red-and-green macaw (Ara chloropterus) Red-and-green macaw
- Red-crowned crane (Grus japonensis) Red-crowned crane
- Red-eared slider (Trachemys scripta elegans) Red-eared slider
- Red-light district: overview, regulation, history, and social issues Red-light district
- Red-necked Grebe (Podiceps grisegena) Red-necked grebe
- Red-necked wallaby (Macropus rufogriseus) Red-necked wallaby
- Red-shouldered macaw (Diopsittaca nobilis) Red-shouldered macaw
- Red-tailed Black Shark (Epalzeorhynchos bicolor) Red-tailed black shark
- Red-tailed hawk (Buteo jamaicensis) — North American raptor Red-tailed hawk
- Red-vented bulbul (Pycnonotus cafer) Red-vented bulbul
- Red-violet (color) Red-violet
- Red-whiskered Bulbul (Pycnonotus jocosus): Identification, Range, and Behavior Red-whiskered bulbul
- Redange (Redange-sur-Attert): town and commune in western Luxembourg Redange
- Redbone Coonhound
- Redcar — Seaside town in North Yorkshire, England Redcar
- Redcurrant (Ribes rubrum): description, uses and cultivation Redcurrant
- Redd Foxx (John Elroy Sanford): comedian, actor, and cultural influence (1922–1991) Redd Foxx
- Redding, California: regional hub at the edge of the Shasta Cascades Redding, California
- Redding, Connecticut
- Redding, Iowa
- Reddit: Community-driven social news and discussion platform Reddit
- Redditch: industrial town in Worcestershire Redditch
- Rede Globo: Brazil’s major commercial television network Rede Globo
- Redemption (theology): concepts, history and religious variations Redemption (theology)
- Redevelopment: urban renewal, adaptive reuse, and site redevelopment Redevelopment
- Redfield, Arkansas — city overview, history, and community Redfield, Arkansas
- Redfield, Iowa
- Redfield, Kansas
- Redfield, South Dakota
- Redfoo (Stefan Kendal Gordy) — musician, performer and career overview Redfoo
- Redford, Michigan
- Redha Malek — Algerian prime minister during the early civil war (1993–1994) Redha Malek
- Redhead: natural red hair, genetics, distribution and cultural aspects Redhead
- Redhill (place name and uses) Redhill
- Redhill MRT station (EW18) — Bukit Merah, Singapore Redhill MRT station
- Redhill, Nottinghamshire: a suburban community in the borough of Gedling Redhill, Nottinghamshire
- Redhill, Somerset (village in Wrington parish) Redhill, Somerset
- Redhill, Surrey
- Redlands, California
- Redman
- Redman (rapper) — career, style, collaborations and acting Redman (rapper)
- Redmond Barry (1813–1880): judge, institution builder, and controversial figure Redmond Barry
- Redmond, Washington
- Redoak, Louisiana
- Redonda — uninhabited Caribbean islet of Antigua and Barbuda Redonda
- Redondo Beach, California
- Redoute's Choice — Australian Thoroughbred racehorse and influential sire Redoute's Choice
- Redox (Reduction–Oxidation) Reactions: Principles, Examples, and Applications Redox
- Redruth, Cornwall Redruth
- Reduced Instruction Set Computer (RISC) Reduced instruction set computer
- Reducing agent (reductant) Reducing agent
- Reductio ad absurdum: method, history, and uses Reductio ad absurdum
- Reductio ad Hitlerum (playing the Hitler card) Reductio ad Hitlerum
- Reduction: concepts, types and interdisciplinary applications Reduction
- Reduction (chemistry)
- Reductionism: concepts, types, history, uses and criticisms Reductionism
- Redundancy (information, computing, and engineering) Redundancy
- Redundant (song)
- Redundant place name (tautological toponym) Redundant place name
- Redwall (novel series by Brian Jacques) Redwall
- Redwall (novel)
- Redwood (Sequoioideae): species, ecology, size, and conservation Redwood
- Redwood City, California: overview, history, economy and attractions Redwood City, California
- Redwood County, Minnesota
- Redwood Falls, Minnesota
- Redwood National and State Parks
- Reed: plant, musical, and mechanical meanings Reed
- Reed (musical instrument) Reed (instrument)
- Reed (plant): ecology, uses, and cultural history Reed (plant)
- Reed City, Michigan
- Reed College — private liberal arts college in Portland, Oregon Reed College
- Reed Smoot: Utah Senator, LDS Apostle, and Sponsor of the Smoot–Hawley Tariff Reed Smoot
- Reed–Solomon error correction: principles, properties, and applications Reed–Solomon error correction
- Reed, Arkansas
- Reedley, California
- Reef: Types, Formation, Ecology, and Human Interactions Reef
- Reef knot (square knot) — uses, tying, and safety Reef knot
- Reef triggerfish (Rhinecanthus rectangulus) Reef triggerfish
- Reel Big Fish
- Reel-to-Reel Tape Recorders: History, Design, Uses, and Legacy Reel-to-reel tape recorders
- Reem al-Numery: Yemeni child-rights advocate and symbol against child marriage Reem Al Numery
- Reema (Reema Khan) — Pakistani film actress, director and producer Reema
- Reema Lagoo — Indian stage and screen actress (1958–2017) Reema Lagoo
- Reeperbahn — St. Pauli's main entertainment street in Hamburg Reeperbahn
- Reese Witherspoon American actress and film producer
- Reeva Steenkamp: South African model and television personality Reeva Steenkamp
- Reeves County, Texas
- Referee (sports official) Referee
- Reference ellipsoid: mathematical model for Earth in geodesy Reference ellipsoid
- Referential transparency in programming and mathematics Referential transparency
- Refinery — Industrial Facilities for Converting Raw Materials into Usable Products Refinery
- Refining: Principles, Methods, Uses and Impacts Refining
- Reflecting pool
- Reflection (wave phenomena) Reflection
- Reflection (song) — from Disney's Mulan (1998) Reflection (song)
- Reflection nebula
- Reflections in a Golden Eye (1967) — John Huston’s drama of military life and repressed desire Reflections in a Golden Eye (movie)
- Reflektor (Arcade Fire album) Reflektor
- Reflex (automatic physiological response) Reflex
- Reflex angle
- Reflexive relation
- Reforesting: restoring trees and plant communities Reforesting
- Reform (social, political, and institutional change) Reform
- Reform Judaism
- Reform Party of the United States of America
- Reform UK (formerly the Brexit Party) Reform UK
- Reform, Alabama: Overview, History, and Community Profile Reform, Alabama
- Reformatory (juvenile reform school) Reformatory
- Reformed churches
- Reformed Political Party (Staatkundig Gereformeerde Partij, SGP) Reformed Political Party
- Reformism: gradual change through democratic reform Reformism
- Reformist socialism
- Refraction — bending of waves at boundaries between media Refraction
- Refractory (heat‑resistant materials) Refractory
- Refrain: repeated lines in music and poetry Refrain
- Refresh rate (display) Refresh rate