Search by letter: R
Search by letter
Search by letter: R
- Refrigerant — properties, refrigeration cycle, uses and environmental issues Refrigerant
- Refrigerator: household cooling appliance and its design, history, and uses Refrigerator
- Refugee: definition, legal framework, causes and durable solutions Refugee
- Refugee camp: purpose, structure, challenges, and long‑term impact Refugee camp
- Refugio County, Texas
- Refugio, Texas
- Reg E. Cathey — American actor (1958–2018) Reg E. Cathey
- Reg Fleming: Canadian NHL Winger, Enforcer, and Early CTE Case Reg Fleming
- Reg Gasnier
- Reg Grundy: Australian television producer and media entrepreneur Reg Grundy
- Reg Noble (Edward Reginald Noble), Canadian professional ice hockey forward Reg Noble
- Reg Presley (1941–2013) Reg Presley
- Reg Smythe — British cartoonist and creator of Andy Capp Reg Smythe
- Reg Varney: British actor and comedian, star of On the Buses Reg Varney
- Reg Watson — Australian television producer and creator of Neighbours and Prisoner Reg Watson
- Reg Withers (1924–2014) — Australian senator and Perth mayor Reg Withers
- Regal Entertainment Group
- Regan Smith (American stock car racing driver) Regan Smith
- Regatta: organized boat racing events and their history Regatta
- Regen (district)
- Regencies of Indonesia (Kabupaten): role, structure, and history Regencies of Indonesia
- Regency (brandy)
- Regency era (United Kingdom, 1811–1820) Regency era
- Regeneration (biological tissue regrowth) Regeneration
- Regensberg — a ridge-top municipality in the canton of Zürich Regensberg
- Regensburg — historic city on the Danube Regensburg
- Regensburg (district)
- Regensburg Cathedral (Dom St. Peter) Regensburg Cathedral
- Regensdorf — municipality in the canton of Zürich, Switzerland Regensdorf
- Regent: acting head in a monarchy — role, appointment, powers and history Regent
- Regent Street (London) — history, architecture and commercial role Regent Street
- Regent's Canal — London waterway linking east and west through Camden Regent's Canal
- Regent's Park
- Regents Park (Chicago) — large apartment complex in Kenwood Regents Park (Chicago)
- Reggae: Origins, Sound, Styles and Cultural Impact Reggae
- Reggaeton: Origins, Sound, and Cultural Influence Reggaeton
- Reggie and the Full Effect
- Reggie Bush (American football running back) Reggie Bush
- Reggie Cobb (1968–2019) — American football running back Reggie Cobb
- Reggie Jackson: Career, achievements, and legacy of 'Mr. October' Reggie Jackson
- Reggie Lucas
- Reggie Miller
- Reggie White
- Reggie Young — American session guitarist (1936–2019) Reggie Young
- Reggina 1914
- Reggio Calabria
- Reggio Emilia: Italian city, cultural hub, and birthplace of an educational approach Reggio Emilia
- Reghu Kumar (1953–2014), Malayalam film music composer Reghu Kumar
- Regierender Bürgermeister (Governing Mayor) of Berlin Regierender Bürgermeister
- Regierungsbezirk: Germany’s intermediate state administrative region Regierungsbezirk
- Regime: governance, power, and international recognition Regime
- Regiment (military unit) Regiment
- Regina Belle: American R&B and Gospel Singer-Songwriter Regina Belle
- Regina Hall — American actress and comedian Regina Hall
- Regina King: Actor, Director, and Cultural Figure Regina King
- Regina Pats
- Regina Resnik: American mezzo-soprano and opera artist Regina Resnik
- Regina Spektor: singer-songwriter and pianist Regina Spektor
- Regina Taylor — American actress and playwright Regina Taylor
- Regina, Saskatchewan — capital city on the Canadian prairies Regina, Saskatchewan
- Reginald Dyer
- Reginald Grey, 3rd Baron Grey de Ruthyn: Marcher Lord and Focal Figure in Glyndŵr's Revolt Reginald Grey, 3rd Baron Grey de Ruthyn
- Reginald Palmer (Governor-General of Grenada) Reginald Palmer
- Reginald Punnett: British geneticist and creator of the Punnett square Reginald Punnett
- Reginald Scot: English writer and early skeptic of witchcraft Reginald Scot
- Reginald VelJohnson
- Reginald's Tower, Waterford: Ireland’s Oldest Civic Building and Viking Heritage Reginald's Tower
- Reginaldo Araújo: Brazilian football defender (1977–2016) Reginaldo Araújo
- Régine Deforges
- Region: Definition, Types, History, and Uses in Geography Region
- Región Autónoma del Atlántico Norte (RAAN) — North Atlantic Autonomous Region of Nicaragua Región Autónoma del Atlántico Norte
- Región Autónoma del Atlántico Sur (RAAS), Nicaragua Región Autónoma del Atlántico Sur
- Region of Murcia, Spain Region of Murcia
- Region of Queens Municipality, Nova Scotia — Coastal and Rural Regional Municipality Region of Queens Municipality
- Region of Southern Denmark
- Region Zealand (Region Sjælland) Region Zealand
- Regional casino (UK Super Casino proposal) Regional casino
- Regional Internet Registry
- Regional language: definition, status, history and examples Regional language
- Regional lockout: how devices and media enforce geographic restrictions Regional lockout
- Regional Municipality of York (York Region) Regional Municipality of York
- Regional Railways (British Rail passenger sector) Regional Railways
- Regionalliga Mitte — Austrian third-tier football league Regionalliga Mitte
- Regionalliga Ost — Austrian third-tier football league Regionalliga Ost
- Regions of Brazil: the IBGE five-fold division Regions of Brazil
- Regions of Chile: administrative divisions, governance and geography Regions of Chile
- Regions of England
- Regions of Finland
- Regions of France: overview, structure, and recent reforms Regions of France
- Regions of Iceland: purpose, list, and administrative role Regions of Iceland
- Regions of Italy: administrative divisions, powers and special statutes Regions of Italy
- Regions of Peru: administrative divisions and capitals Regions of Peru
- Regions of Slovakia (Kraje): overview, structure and list Regions of Slovakia
- Regions of the Philippines: structure, purpose, and notable exceptions Regions of the Philippines
- Regis High School (Cedar Rapids)
- Régis Lacote — Director of Paris-Orly Airport and French aviation executive Régis Lacote
- Regis Philbin — American television host and presenter (1931–2020) Regis Philbin
- Registan Desert: geography, ecology, and human interactions Registan Desert
- Register: records, registration, and related meanings Register
- Register (linguistics)
- Register renaming (computer architecture technique) Register renaming
- Registered user (online accounts and roles) Registered user
- Registration (official recording of rights, events and entities) Registration
- Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) Registration, Evaluation, Authorisation and Restriction of Chemicals
- Regnal name: meaning, history and practice Regnal name
- Regnal year
- Regnauville — commune in Pas-de-Calais, northern France Regnauville
- Regnenses (Regni): ancient tribe of southern Britain Regnenses
- Regnitz (river in Bavaria, Germany) Regnitz
- Regnitzlosau: a border municipality in Upper Franconia, Bavaria Regnitzlosau
- Regny — commune in Aisne, northern France Regny
- Regression (psychology)
- Regression analysis: methods, assumptions, history, and common applications Regression analysis
- Réguisheim — commune in Haut-Rhin, Grand Est, France Réguisheim
- Regular army (standing armed forces) Regular army
- Regular expression (regex) Regular expression
- Regular polygon
- Regular polytope
- Regular Show — American animated television series Regular Show
- Regulate (song)
- Regulate...G Funk Era
- Regulation: Concepts, Types, History, and Effects Regulation
- Regulus (Alpha Leonis): the brightest star of Leo Regulus
- Regurgitation: biological process, causes, and ecological roles Regurgitation
- Rehearsal: practice and preparation for performance Rehearsal
- Reher (Steinburg district, Schleswig-Holstein) Reher
- Reheselja — village in Hiiu County, Estonia Reheselja
- Rehetobel — municipality in Appenzell Ausserrhoden, Switzerland Rehetobel
- Rehobeth, Alabama — small town in southeastern Alabama Rehobeth, Alabama
- Rehoboth Beach, Delaware: Coastal Resort City and Community Rehoboth Beach, Delaware
- Rei Ayanami — Enigmatic Pilot of Neon Genesis Evangelion Rei Ayanami
- Reich Chancellor (Reichskanzler): office, history and significance Reich Chancellor
- Reich Ministry for Public Enlightenment and Propaganda (Nazi Germany) Reich Ministry of Public Enlightenment and Propaganda
- Reich President (Reichspräsident) — Head of state in Weimar and Nazi Germany Reich President
- Reichenbach am Heuberg
- Reichenbach im Kandertal
- Reichenbach im Vogtland
- Reichenburg, municipality in the canton of Schwyz, Switzerland Reichenburg
- Reichsführer-SS
- Reichshofstadion (Planet Pure Stadium) — Lustenau's principal football ground Reichshofstadion
- Reichsmark (RM): Germany's currency, 1924–1948 Reichsmark
- Reichsmarschall (Reich Marshal) Reichsmarschall
- Reichsminister (German national ministers, 1919–1945) Reichsminister
- Reichssicherheitshauptamt (RSHA) — Reich Security Main Office Reichssicherheitshauptamt
- Reichstag (German parliament building and historical assembly) Reichstag
- Reichstag (building) — Berlin's parliamentary seat, history and architecture Reichstag (building)
- Reichstag (institution)
- Reichstag fire (1933): arson, response, and its role in Nazi consolidation Reichstag fire
- Reichswehr: Germany's interwar armed forces (1919–1935) Reichswehr
- Reiden, Lucerne: Municipality in Willisau District, Switzerland Reiden
- Reigate — historic market town in Reigate and Banstead, Surrey Reigate
- Reign: the period a sovereign or leader holds power Reign
- Reign in Blood
- Reign of Terror (French Revolution) Reign of Terror
- Reign Over Me (2007 film) Reign Over Me
- Reignac (Gironde) — commune in southwestern France Reignac, Gironde
- Reigoldswil: Municipality in Waldenburg District, Basel-Landschaft, Switzerland Reigoldswil
- Reijo Taipale — Finnish singer of tango, schlager and ballads Reijo Taipale
- Reiki (era): Japanese nengō from 715 to 717 Reiki (era)
- Reiko Kobayashi (1939–1996), Japanese professional Go player Reiko Kobayashi
- Reimerswaal — municipality on Zuid-Beveland, Zeeland Reimerswaal
- Reimlingen — Municipality in Donau‑Ries, Bavaria Reimlingen
- Reims, France: history, culture and Champagne city Reims
- Reina Tanaka — Japanese singer, actress and former Morning Musume vocalist Reina Tanaka
- Reinach: Swiss places and a surname Reinach
- Reinach, Aargau
- Reinach, Basel-Landschaft
- Reinbeck, Iowa — overview, history, and community life Reinbeck, Iowa
- Reinbert de Leeuw — Dutch conductor, pianist and composer Reinbert de Leeuw
- Reincarnation (Rebirth and Transmigration) Reincarnation
- Reincarnation research: clinical investigations into children's past-life claims Reincarnation research
- Reince Priebus American attorney and politician
- Reindeer (Rangifer tarandus): biology, behavior and human relationships Reindeer
- Reinforced concrete
- Reinforcement learning: concepts, history, and applications Reinforcement learning
- Reinhard Bonnke: Evangelist and African Revival Leader Reinhard Bonnke
- Reinhard Genzel — German astrophysicist and Nobel laureate Reinhard Genzel
- Reinhard Hardegen: German U-boat Commander, Businessman and Politician Reinhard Hardegen
- Reinhard Heydrich: senior SS official and key organizer of Nazi security policy Reinhard Heydrich
- Reinhard Höppner
- Reinhard Libuda
- Reinhard Selten
- Reinhard Tritscher — Austrian alpine skier (1946–2018) Reinhard Tritscher
- Reinhart Fuchs (1934–2017) — German International Master and Olympiad team player Reinhart Fuchs
- Reinheitsgebot: the German beer purity regulation Reinheitsgebot
- Reinickendorf: Borough of Berlin — geography, history, and features Reinickendorf
- Reinier Kreijermaat (1935–2018) Reinier Kreijermaat
- Reining (Western Equestrian Sport): Patterns, Maneuvers, and Competition Reining
- Reiningue — Commune in Haut-Rhin, Grand Est, France Reiningue
- Reino Paasilinna: Finnish MEP and Social Democrat (1939–2022) Reino Paasilinna
- Reinsfeld — village in Rhineland-Palatinate, Germany Reinsfeld
- Reisiswil (municipality in Bern, Switzerland) Reisiswil
- Reitnau — Municipality in Zofingen District, Canton of Aargau, Switzerland Reitnau
- Reiulf Steen (1933–2014) — Norwegian politician, diplomat and journalist Reiulf Steen
- Reiwa period
- Reizo Fukuhara — Japanese footballer (1931–1970) Reizo Fukuhara
- Rekingen — municipality in Zurzach district, Aargau, Switzerland Rekingen
- Relapse: Eminem's 2009 studio album Relapse (album)
- Relapse Records
- Relapsing fever: cause, symptoms, transmission and management Relapsing fever
- Relation: meanings in mathematics, logic, databases and social sciences Relation
- Relation (mathematics): definition, properties, and applications Relation (mathematics)
- Relational database: structure, theory, and practical uses Relational database
- Relational model (database design) Relational model
- Relationship
- Relative (kinship, comparison, and relational concept) Relative
- Relative atomic mass: definition, calculation, and significance Relative atomic mass
- Relative dating: principles and uses in geology, paleontology and archaeology Relative dating
- Relative density (ratio of densities) Relative density
- Relative humidity
- Relative key (music): relationship between major and minor keys Relative key
- Relativism (philosophical concept) Relativism
- Relativistic jet — powerful, near‑light astrophysical plasma streams Relativistic jet
- Relativity: theories of space, time, motion and gravity Relativity
- Relativity Media: overview, business model, history and notable deals Relativity Media
- Relaxation: concept, methods, physiological effects and uses Relaxation
- Relaxin: peptide hormone in reproduction, tissue remodeling and cardiovascular function Relaxin
- Relay (electrical switch) Relay
- Relay race (track and field and road relays) Relay race
- Release (concept): legal, media, software, mechanical and other meanings Release
- Release (music)
- Release the Stars (2007 album by Rufus Wainwright) Release the Stars
- Releaser (ethology): stimuli that trigger innate behavioral responses Releaser
- Relevance: concept, uses, and measures across disciplines Relevance
- Relevant (Ain) — commune in Auvergne-Rhône-Alpes, France Relevant, Ain
- Relic: Sacred Remains and Objects of Veneration Relic
- Relief (sculpture) Relief
- Relief pitcher (baseball and softball) Relief pitcher
- Relient K: American pop-punk band from Ohio Relient K
- Religion: Beliefs, Practices, and Social Roles Religion
- Religion in Ancient Armenia
- Religion in Canada
- Religion in China: traditions, history, and contemporary practice Religion in China
- Religion in Poland
- Ancient Egyptian religion Religion of ancient Egypt
- Religions of Pakistan
- Religious belief: nature, history, and social roles Religious belief
- Religious conversion: forms, processes, and social significance Religious conversion
- Religious debates over the Harry Potter series
- Religious denomination: definition, types, and social role Religious denomination
- Religious law
- Religious ministry
- Religious order: organized communities within spiritual traditions Religious order
- Religious persecution: causes, forms, history and contemporary responses Religious persecution
- Religious segregation: forms, history, and contemporary issues Religious segregation
- Religious studies (academic discipline) Religious studies
- Religious toleration: concept, history and forms Religious toleration
- Religious violence: causes, manifestations, and responses Religious violence
- Religious Zionism: beliefs, history, institutions and contemporary role Religious Zionism
- Relish: Definition, Varieties, History and Culinary Uses Relish
- Relizane Province (Wilaya of Relizane) Relizane Province
- ReLoad (Metallica album) ReLoad
- REM — Rapid Eye Movement Sleep and the Band R.E.M. Rem
- Rem Koolhaas: Architect, Theorist, and Urban Thinker Rem Koolhaas
- Remagen — Rhine town in Rhineland-Palatinate, Germany Remagen
- Remainder (integer division) Remainder
- Remake (film, television, and video game) Remake
- Remastersys — custom Live CD and backup tool for Linux Remastersys
- Remaucourt (Aisne): Commune in northern France Remaucourt, Aisne
- Remaufens — municipality in Veveyse, canton of Fribourg, Switzerland Remaufens
- Rembert Dodoens (Rembertus Dodonaeus) — Flemish botanist and physician Rembert Dodoens
- Rembrandt Harmenszoon van Rijn (1606–1669) — Dutch Golden Age painter Rembrandt
- Rembrandt, Iowa
- Remdesivir
- Remedios Loza — Bolivian artisan, television presenter and politician Remedios Loza
- Remember the Time — Michael Jackson song Remember the Time
- Remembrance (1982 film) — British naval drama Remembrance (1982 movie)
- Remembrance Day day to remember people who fought and died in wars
- Remetea, Bihor
- Remetschwil
- Remich — Luxembourg riverside town known as the "Pearl of the Moselle" Remich
- Remicourt (Liège) — municipality in Wallonia, Belgium Remicourt
- Remies — commune in the Aisne department of Picardie, France Remies
- Remig Stumpf: German Olympic Cyclist (1966–2019) Remig Stumpf
- Remigen (municipality in the Brugg district, Aargau, Switzerland) Remigen
- Remigny, Aisne (commune in northern France) Remigny, Aisne
- Remilly-Wirquin (Pas-de-Calais) Remilly-Wirquin
- Remington Model 700: bolt‑action rifle and its military and civilian roles Remington 700
- Remington Steele (TV series) Remington Steele
- Remington, Virginia
- Remioromen
- Remipedia: Blind, Cave-Dwelling Crustaceans and Their Place in Arthropod Evolution Remipedia
- Remission
- Remission (medicine)
- Remixing (music): technique, history, types and cultural role Remixing
- Remo Bodei (1938–2019) — Italian philosopher Remo Bodei
- Remo Capitani — Italian character actor Remo Capitani
- Remora (suckerfish): biology, behavior, and host relationships Remora
- Remote control: purpose, components, history and common types Remote control
- Remote keyless system: overview, types, operation and security Remote keyless system
- Rems-Murr-Kreis
- Remscheid, Germany Remscheid
- Remsen, Iowa: Overview, History, and Community Remsen, Iowa
- Remus Lupin — wizard, werewolf, and member of the Marauders Remus Lupin
- Rémy (commune in Pas-de-Calais) Rémy
- Remy Bonjasky: three-time K-1 World Grand Prix champion Remy Bonjasky
- Ren Höek — animated character from The Ren & Stimpy Show Ren Höek
- Ren Xinmin
- REN21 — Renewable Energy Policy Network for the 21st Century REN21
- Rena Owen