Terms from Clem(ent) Studebaker to Crux
- Clem(ent) Studebaker Biography (1831–1901)
- Clematis
- Clemence Dane Biography (1888–1965) (pseudonym of Winifred Ashton)
- Clemens Von Brentano Biography (1778–1842)
- Clement (Clarke) Moore Biography (1779–1863)
- Clement (Edward) Davies Biography (1884–1962)
- Clement (Melville) Keys Biography (1876–1952)
- Clement Jannequin Biography (c.1485–1558)
- Clement Laird Vallandigham Biography (1820–71)
- Clement V Biography (c.1260–1314) (originally Raymond Bertrand de Got)
- Clement VI Biography (1291–1352) (originally Pierre Roger de Beaufort)
- Clement VII Biography (1342–94) (originally Robert of Geneva)
- Clement VII Biography (1478–1534) (originally Giulio de' Medici)
- Clement VIII Biography (1535–1605) (originally Ippolito Aldobrandini)
- Clemente Rebora Biography (1885–1957)
- Clemente Sánchez Vercial Biography (1370?–1426?)
- Clements McMullen Biography (1892–1959)
- Cleon Biography (?–422 BC)
- Cleopatra VII Biography (69–30 BC)
- Clerestory Or Clear-storey
- Clergy Reserves
- Clermont-Ferrand
- Cletto Arrighi Biography (1830–1906) (originally Carlo Righetti)
- Cleveland (UK)
- Cleveland (USA)
- Cleveland Abbe Biography (1838–1916)
- Cleveland Bay
- Cleveland Way
- Cleves, Duchy Of
- Click Beetle
- Click Language
- Client-centred / Centered Therapy
- Client/server Architecture
- Clifden
- Cliff Dwellings
- Cliff Richard Biography (1940– ) (popular name of Sir Harry Roger Webb)
- Clifford (Donald) Simak Biography (1904–88)
- Clifford (James) Geertz Biography (1926–2006)
- Clifford (Whittingham) Beers Biography (1876–1943)
- Clifford Alexander Biography (1933– )
- Clifford Brown Biography (1930–56)
- Clifford G(lenwood) Shull Biography (1915–2001)
- Clifford Holland Biography (1883–1924)
- Clifford Odets Biography (1906–63)
- Clifton (Albert Furlow) Sprague Biography (1896–1955)
- Clifton Chenier Biography (1925–85) (nickname King of Zydeco)
- Clifton Ernest Pugh Biography (1924–90)
- Clijsters, Kim Biography (1983– )
- Climate
- Climax Vegetation
- Climbing Perch
- Climbing Plant
- Clingfish
- Clinical Linguistics
- Clinical Psychology
- Clinometer
- Clint Eastwood Biography (1930– )
- Clint(on Williams) Murchison Biography (1895–1969)
- Clinton Hart Merriam Biography (1855–1942)
- Clinton J(oseph) Davisson Biography (1881–1958)
- Clinton T Duffy Biography (1898–1982)
- Clio
- Clipper Ship
- Clitellum
- Clitoris
- Clive (Hubert) Lloyd Biography (1944– )
- Clive (Stuart) Anderson Biography (1953– )
- Clive (Vivian Leopold) James Biography (1939– )
- Clive Bell Biography (1881–1964)
- Clive W J Granger Biography (1934– )
- Cloaca
- Clock
- Clock Paradox
- Clodion Biography (1738–1814) (pseudonym of Claude Michel)
- Cloethiel Woodard Smith Biography (1910–93)
- Cloisonné
- Cloisters
- Cloisters, The
- Clone (computing)
- Cloning (genetics)
- Clonmel (Ir Cluain Meala)
- Clonorchiasis
- Closed Circuit Television (CCTV)
- Closed Shop
- Closer Settlement
- Clothes Moth
- Clotilde Of Savoy Biography (1843–1911)
- Cloud
- Cloud Chamber
- Clouded Leopard
- Clove Tree
- Clover
- Clovis
- Clovis I Biography (c.465–511) (Ger Chlodwig or Chlodovech)
- Clown
- Cloze Testing
- Club
- Club Foot
- Club Hydropathes
- Clubmoss
- Clubroot
- Cluj-Napoca Or Cluj (Ger Klausenburg)
- Cluny Abbey
- Cluster Project
- Clutch
- Clutha, River
- Cluttering
- Clwyd
- Clyde (Vernon) Cessna Biography (1879–1954)
- Clyde K(ay) M(aben) Kluckhohn Biography (1905–60)
- Clyde W(illiam) Tombaugh Biography (1906–97)
- Clyde, River
- Clydesdale
- Clydeside
- Clyfford Still Biography (1904–80)
- Clytemnestra (or Clytemestra)
- Clément Ader Biography (1841–1926)
- Clément Marot Biography (c.1495/7–1544)
- CND
- Co-enzyme
- Co-operative Party
- Co-operative Society
- Co-ordination Compounds
- Co-processor
- Coal
- Coal Gas
- Coal Mining
- Coal Tar
- Coal Tit
- Coalition
- Coalsack
- Coast Mountains
- Coast Range
- Coast Redwood
- Coastal Command
- Coastal Engineering
- Coastguard
- Coated Fabrics
- Coati
- Coaxial Cable
- Cob
- Cobalt
- Cobb And Co
- Cobham
- COBOL
- Cobra
- Cocaine
- Coccus
- Coccyx
- Cochabamba
- Cochin
- Cochineal
- Cochise Biography (?1812–74)
- Cochlaeus Biography (1479–1552) (originally Johann Dobneck)
- Cochlea
- Cock Of The Rock
- Cock's Comb
- Cockatiel
- Cockatoo
- Cockchafer
- Cocker Spaniel Or American Cocker Spaniel
- Cockfighting
- Cockle
- Cockroach
- Cockscomb Basin
- Cocktail Party Effect
- Coco Chanel Biography (?1883–1971) (popular name of Gabrielle Chanel)
- Coco De Mer
- Coconut Palm
- Cocos Islands (or Keeling Islands)
- Cod
- Cod-liver Oil
- Coda
- CODASYL
- Code
- Codec
- Codeine
- Codex Alimentarius
- Codex Juris Canonici ((Lat ‘code of canon law’))
- Codling Moth
- Codon
- Coeducation
- Coelenterate
- Coeliac / Celiac Disease
- Coelom
- Coelostat / Celostat
- Coenraad Jacob Temminck Biography (1778–1858)
- Coenraad Van Beuningen Biography (1622–93)
- Coeur D'Alene
- Coffee
- Coffee Berry Disease
- Cofferdam
- Cognates
- Cognitive Anthropology
- Cognitive Psychology
- Cognitive Science
- Cognitive Therapy
- Coherence
- Cohort
- Cohort Study
- Coimbatore
- Coimbra (ancient Conimbriga)
- Coke
- Cola
- Cola Di Rienzi Biography (1313–54) (also spelled Rienzo)
- Cola Di Rienzo Biography (1313–54) (originally Nicola di Lorenzo)
- Colchester (Lat CamulodunumAnglo-Saxon Colneceaster)
- Colchicine
- Cold
- Cold Front
- Cold Fusion
- Cold Harbor, Battles Of
- Cold Sore ((Herpes labialis))
- Cold Storage
- Cold War
- Coldiretti
- Cole (Albert) Porter Biography (1892–1964)
- Coleman (Alexander) Young Biography (1918–97)
- Coleman Hawkins Biography (1904–69)
- Colette Dereál Biography (1927–88)
- Coleus
- Colic
- Colin (Brian) Blakemore Biography (1944– )
- Colin (Earl) Meads Biography (1936– ) (nickname Pine Tree)
- Colin (Henry) Wilson Biography (1931– )
- Colin (Luther) Powell Biography (1937– )
- Colin (Macmillan) Turnbull Biography (1924–94)
- Colin (Ray) Jackson Biography (1967– )
- Colin (Williams) Welland Biography (1934– )
- Colin Anderson Lucas Biography (1906– )
- Colin Firth Biography (1960– )
- Colin James Brumby Biography (1933– )
- Colin Maclaurin Biography (1698–1746)
- Colin St John Wilson Biography (1922– )
- Colitis
- Collaboration
- Collage
- Collagens
- Collateral
- Collective Bargaining
- Collective Farm
- Collective Security
- Collectivism
- Colleen Dewhurst Biography (1926–91)
- Colleen McCullough Biography (1937– )
- College Of Education
- Collegiate Church
- Colley Cibber Biography (1671–1757)
- Collie
- Colligative Properties
- Collimator (astronomy)
- Collimator (optics)
- Collis P(otter) Huntington Biography (1821–1900)
- Colloid
- Colmar (Ger Kolmar)
- Colobus
- Cologne (Ger Köln)
- Colombia
- Colombo (originally Kalan-Totta)
- Colombo Plan
- Colonel John Blashford-Snell Biography (1936– )
- Colonel Muammar Gaddafi Or Qaddafi Biography (1942– )
- Colonel Wassili De Basil Biography (1881–1951) (originally Vasily Grigorievich Voskresensky)
- Colonial Agricultural Policy (Dutch cultuurstelsel)
- Colonial And Imperial Conferences
- Colonna
- Colonnade
- Colonsay (or St Columba's Isle)
- Colony
- Colorado
- Colorado Beetle
- Colorado Desert
- Colorado River
- Colorado Springs
- Coloratura
- Colorization
- Colossians, Letter To The
- Colossus Of Rhodes
- Colostrum
- Colour / Color Cinematography
- Colour / Color Filter
- Colour / Color Negative
- Colour / Color Photography
- Colour / Color Printer (computing)
- Colour / Color Television
- Colour / Color Therapy
- Colour / Color Vision
- Colouring / Coloring Agents
- Coltsfoot
- Colugo
- Columba ((Lat ‘dove’))
- Columbia
- Columbia City
- Columbia River
- Columbiformes
- Columbine
- Columbus (Mississippi)
- Columbus (Ohio)
- Columbus Day
- Columbus O'Donnell Iselin Biography (1904–71)
- Column
- Colwyn Bay
- Coly
- Colón (formerly Aspinwall)
- Coma (medicine)
- Coma Berenices ((Lat ‘Berenice's hair’))
- COMAL
- Comanche
- Combination Acts
- Combine Harvester
- Combined Operations Command
- Combing
- Combustion
- Comedy
- Comet
- Comfrey
- Comic Opera
- Cominform
- Comino
- Comintern
- Comitato Di Liberazione Nazionale (CLN) (Eng National Freedom Committee)
- Comité Van Waakzaamheid (Eng watch committee)
- Commagene
- Commensalism
- Commercial Paper
- Commission For Racial Equality
- Committees Of Correspondence
- Commodity Market
- Common Agricultural Policy (CAP)
- Common Law
- Common Seal
- Commons, House Of
- Commonwealth (British)
- Commonwealth (English History)
- Commonwealth Conference
- Commonwealth Day
- Commonwealth Development Corporation (CDC)
- Commonwealth Games
- Commonwealth Institute
- Commonwealth Of Independent States (CIS) (Russ Sodruzhestvo Nezavisimykh Gosudarstv)
- Commonwealth Scientific And Industrial Research Organization (CSIRO)
- Commune
- Commune
- Commune Of Paris
- Communicable Disease
- Communication (interaction)
- Communication (technology)
- Communication (transportation)
- Communication Theory
- Communicative Competence
- Communism
- Communism Peak (Russ Pik Kommunizmaformerly Mt Garmo (to 1933)Mt Stalin (1933–62))
- Communist Party Of The Soviet Union (CPSU)
- Communistische Partij Nederland (CPN)
- Community Charge
- Community Dance
- Community Medicine
- Community Politics
- Community Property
- Community School / College
- Community Service Order
- Commutative Operation
- Como
- Como, Lake ((Ital Lago di) or Larioancient Larius Lacus)
- Comodoro Rivadavia
- Comoros
- Comoé
- Compact Disk (CD)
- Compagnie Di Ventura
- Compagnie Van Verre
- Companions Of Honour, Order Of The (CH)
- Company
- Comparative Advantage
- Comparative History
- Comparative Linguistics
- Comparative Literature
- Comparative Method
- Comparative Psychology
- Comparative Religion
- Compass
- Compensation Order
- Compensatory Education
- Competence
- Competitors (Competitors for the Crown of Scotland)
- Compiler
- Compiuta Donzella Biography (13th-c)
- Compiègne
- Complementary Colour / Color
- Complementation (genetics)
- Complex
- Complex Number
- Component (chemistry)
- Componential Analysis
- Composite Cinematography
- Composite Order
- Composition (music)
- Compound
- Comprehensive School
- Compromise Of 1850
- Computational Linguistics
- Computer
- Computer Art
- Computer Game
- Computer Generations
- Computer Graphics
- Computer Management
- Computer Memory
- Computer Network
- Computer Package
- Computer Peripheral
- Computer Printer
- Computer Program
- Computer Science
- Computer Supported Co-operative Work (CSCW)
- Computer Terminal
- Computer Virus
- Computer-aided Design (CAD)
- Computer-aided Instruction (CAI)
- Computer-aided Manufacture (CAM)
- Computer-aided Software Engineering (CASE)
- Computer-integrated Manufacture (CIM)
- Computerized Tomography (CT) (also computerized axial tomography (CAT))
- Comte (Count) (Philippe) Auguste (Mathias) Villiers De L'Isle Adam Biography (1838–89)
- Comte (Count) Berthollet, Claude Louis Biography (1748–1822)
- Comte (Count) Bertrand, Henri Gratien Biography (1773–1844)
- Comte (Count) Daru, Pierre Antoine (Noel Mattieu Bruno) Biography (1767–1829)
- Comte (Count) Dunois, Jean D'Orléans Biography (1403–68) (known as the Bastard of Orléans)
- Comte (Count) Jourdan, Jean-Baptiste Biography (1762–1833)
- Comte (Count) Pico Della Mirandola, Giovanni Biography (1463–94)
- Comte De (Count Of) Barras, Paul François Jean Nicolas Biography (1755–1829)
- Comte De (Count Of) Bougainville, Louis Antoine Biography (1729–1811)
- Comte De (Count Of) Buffon, Georges-Louis Leclerc Biography (1707–88)
- Comte De (Count Of) Chardonnet, (Louis Marie) Hilaire Berignaud Biography (1839–1924)
- Comte De (Count Of) Frontenac, Louis De Buade Biography (1620–98)
- Comte De (Count Of) Gobineau, Joseph Arthur Biography (1816–82)
- Comte De (Count Of) La Pérouse, Jean François De Galaup Biography (1741–88)
- Comte De (Count Of) Lacépède, Bernard De Laville Biography (1756–1825)
- Comte De (Count Of) Lally, Thomas Arthur Biography (1702–66)
- Comte De (Count Of) Lautréamont Biography (1846–70) (pseudonym of Isidore Ducasse)
- Comte De (Count Of) Mirabeau, Honoré Gabriel Riqueti Biography (1749–91)
- Comte De (Count Of) Montalembert, Charles (Forbes René) Biography (1810–70)
- Comte De (Count Of) Péluse Monge, Gaspard Biography (1746–1818)
- Comte De (Count Of) Rivarol, Antoine Rivaroli Biography (1753–1801)
- Comte De (Count Of) Saint-Simon, Claude Henri De Rouvroy Biography (1760–1825)
- Comte De (Count Of) Saxe, (Hermann) Maurice Biography (1696–1750) (usually called Marshal de Saxe)
- Comte De (Count Of) Sieyès, Emmanuel Joseph Biography (1748–1836) (also known as Abbé Sieyès)
- Comte De (Count Of) Tourville, Anne Hilarion De Contentin Biography (1642–1701)
- Comte De (Count Of) Vigny, Alfred Victor Biography (1797–1863)
- Comte De L'Empire (Count Of The Empire) Lagrange, Joseph Louis Biography (1736–1813) (originally Giuseppe Luigi Lagrangia)
- Comte De Maistre, Joseph Marie Biography (1753–1821)
- Comtesse (Countess) Du Barry, Marie Jeanne Gomard De Vaubernier Biography (c.1743–93) (née Bécu)
- Comtesse D' (Countess Of) Agoult, Marie De Flavigny Biography (1805–76) (pseudonym Daniel Stern)
- Comtesse De (Countess Of) Aulnoy, Marie-Catherine Le Jumel De-Barneville Biography (1650–1705)
- Comtesse De (Countess Of) La Fayette, Marie Madeleine (Pioche De La Vergne) Biography (1634–93) (known as Madame de La Fayette)
- Comtesse De (Countess Of) Ségur, Sophie Rostopchine Biography (1799–1874)
- Comédie-Française, La (official name Le Théâtre Français)
- Conakry
- Concentration
- Concentration Camp
- Concepción
- Conceptismo ((Eng ‘conceptism’))
- Conceptual Art
- Concertina
- Concertino (instruments)
- Concertino (opus)
- Concerto
- Concerto Grosso
- Concetta (Maria) Scaravaglione Biography (1900–75)
- Conch
- Concha Piquer Biography (1908–90)
- Concha Velasco Biography (1939– ) (originally Concepción Velasco Verona)
- Conciliarism
- Conclave ((Lat cum clave‘with a key’))
- Concord (California)
- Concord (Massachusetts)
- Concord (New Hampshire)
- Concordance / Discordance
- Concordat, Le
- Concorde
- Concrete Art
- Concrete Poetry
- Concussion
- Conde De (Count Of) Aranda, Pedro Pablo Abarca Y Bolea Biography (1718–99)
- Conde-duque De (Count-Duke Of) Olivares, Gaspar De Guzman (y Pimental) Biography (1587–1645)
- Condensation (chemistry)
- Condensation (physics)
- Condesa De (Countess Of) Pardo Bazán, Emilia Biography (1852–1921)
- Condition
- Conditionality
- Conditioning
- Condoleezza Rice Biography (1954– )
- Condominium (politics)
- Condominium (sociology)
- Condor
- Condottiere
- Conducting
- Condé
- Condé (Montrose) Nast Biography (1873–1942)
- Cone
- Cone Shell
- Coney Island ((Dutch ‘rabbit’))
- Confederate States Of America
- Confederation (Canada)
- Confederation Of British Industry (CBI)
- Confederation Of The Rhine
- Confederazione Generale Italiana Del Lavoro (CGIL) (Eng Italian General Workers Confederation)
- Confederazione Italiana Sindacati Dei Lavoratori (CISL) (Eng Italian Workers Trade Union Confederation)
- Confessing Church
- Confession (of Faith)
- Confession (of Sin)
- Confessional Poetry
- Confinement
- Confirmation
- Conformation
- Conforming
- Confucius Biography (551–479 BC) (Latin name of Kongfuzi or K'ung Fu-tse (Chin ‘Venerated Master Kong’))
- Conga
- Congenital Abnormality
- Conger Eel
- Conglomerate (economics)
- Conglomerate (mineralogy)
- Congo
- Congo, Democratic Republic Of
- Congo, River ((1971–97known as River Zaire))
- Congonhas Do Campo
- Congregationalism
- Congress
- Congress
- Congress Kingdom Of Poland
- Congress Of Racial Equality
- Congruence
- Congruent Triangles
- Conic Sections
- Conifer
- Coniston Water
- Conjecture
- Conjugation (biology)
- Conjugation (chemistry)
- Conjugation (linguistics)
- Conjunction (astronomy)
- Conjunctivitis
- Conlon Nancarrow Biography (1912– 97)
- Connacht Or Connaught
- Connecticut
- Connectionism
- Connective Tissue
- Connemara
- Connestabile Or Conestabile
- Connie Chung Biography (1946– ) (popular name of Constance Yu-hwa)
- Connie Mack Biography (1862–1956) (originally Cornelius Alexander McGillicuddy)
- Connotation
- Conny Palmen Biography (1955– )
- Conquistador ((Span ‘conqueror’))
- Conrad (Arnold) Elvehjem Biography (1901–62)
- Conrad (Emil Lambert) Helfrich Biography (1886–1962)
- Conrad (Nicholson) Hilton Biography (1887–1979)
- Conrad (Potter) Aiken Biography (1889–1973)
- Conrad Busken Huet Biography (1826–86)
- Conrad Ferdinand Meyer Biography (1825–98)
- Conrad IV Of Swabia Biography (1228–54)
- Conrad Martens Biography (1801–78)
- Conrad Or Konrad Celtis Biography (1459–1508) (originally Conrad Pickel or Bickel)
- Conrad Von Gesner Biography (1516–65)
- Conscientious Objection
- Consciousness
- Conscription
- Consensus Politics
- Consentes Dii Or Di
- Conservation (earth Sciences)
- Conservation (psychology)
- Conservation Laws
- Conservatism
- Conservative Party (nickname Tories)
- Conservatory (music)
- Consols
- Consonant
- Consorteria
- Constance (Ger Konstanzancient Constantia)
- Constance (Mayfield) Rourke Biography (1885–1941)
- Constance (McLaughlin) Green Biography (1897–1975)
- Constance Baker Motley Biography (1921–2005)
- Constance Fenimore Woolson Biography (1840–94) (pseudonym Anne March)
- Constance, Council Of (Ger Konzil von Konstanz )
- Constance, Lake (Ger Bodenseeancient Lacus Brigantinus)
- Constancio Bernaldo De Quirós Biography (1873–1959)
- Constancy
- Constant Lambert Biography (1905–51)
- Constant Permeke Biography (1886–1951)
- Constant Troyon Biography (1810–65)
- Constantijn Christof Frederik Aschwin Biography (1969– )
- Constantijn Huygens Biography (1596–1687)
- Constantin Brancusi Biography (1876–1957)
- Constantin Guys Biography (1802–92)
- Constantin Rossi Biography (1907–83) (known as Tino Rossi)
- Constantine (ancient CiriaQacentina)
- Constantine (Samuel) Rafinesque Biography (1783–1840)
- Constantine Cavafy Biography (1863–1933) (pseudonym of Konstantinos Petrou Kavafis)
- Constantine Hering Biography (1800–80)
- Constantine I (Emperor) Biography (c.274–337) (known as the Greatoriginally Flavius Valerius Constantinus)
- Constantine I (of Greece) Biography (1868–1923)
- Constantine II (of Greece) Biography (1940– )
- Constantino Brumidi Biography (1805–80)
- Constantino Cabal Biography (1877–1967)
- Constantinople, Latin Empire Of (also known as the Latin Empire of the East)
- Constantius Chlorus Biography (c.250–306)
- Constanţa (Eng Constantzaancient Tomis or Constantinia)
- Constellation
- Constipation
- Constituency
- Constituent Analysis
- Constituent Assembly (Italy)
- Constitution
- Constitution Of The United States
- Constitutional Convention
- Constrictor
- Constructivism
- Consubstantiation
- Consul (Roman History)
- Consultancy, Deed Of
- Consumer Protection
- Consumer Society
- Consumerism
- Consumption (economics)
- Contact
- Contact Lens
- Contact Potential
- Contadora, Isla
- Container Ship
- Containment
- Containment Building
- Contarini
- Conte
- Conte (Count) Balbo, Cesare Biography (1789–1853)
- Conte (Count) Gozzi, Carlo Biography (1720–1806)
- Conte (Count) Leopardi, Giacomo Biography (1798–1837)
- Conte De' (Count Of) Fieschi, Giovanni Luigi Biography (c.1522–1547)
- Conte Di (Count Of) Aleardi Or Aleardo Biography (1812–78)
- Conte Di (Count Of) Cagliostro, Alessandro Biography (1743–95) (originally Giuseppe Balsamo)
- Conte Di (Count Of) Cavour, Camillo Benso Biography (1810–61)
- Conte Di (Count Of) Mordano Grandi, Dino Biography (1895–1988)
- Conte Di (Count Of) Novilara Castiglione, Baldassare Biography (1478–1529)
- Conte Di (Count Of) Scandiano Boiardo, Matteo Maria Biography (c.1441–94)
- Conte Di (Count) Alfieri, Vittorio Biography (1749–1803)
- Conte Di (Count) Cortellazzo Ciano, Galeazzo Biography (1903–44)
- Contempt Of Court
- Contessa Lara Biography (1849–96) (pseudonym of Evelina Cattermole Mancini)
- Continent
- Continental Congress
- Continental Divide Or Great Divide
- Continental Drift
- Continental Margin
- Continental System
- Contingency Fee
- Continuo
- Continuous Assessment
- Continuous Representation
- Contraception
- Contract
- Contrapposto
- Contrast
- Control Character
- Control Engineering
- Control Group
- Conté Crayon
- Convection
- Convective Rain
- Convergence (biology)
- Convergence (linguistics)
- Conversation Piece
- Conversion (law)
- Conversion (linguistics)
- Conversion (psychiatry)
- Conversion (religion)
- Conversos ((Eng ‘converts’))
- Convertibility
- Conveyance
- Convocation
- Convoy And Licence Rights
- Convulsion
- Conwy (county) (Eng Conway)
- Conwy (town) (Eng Conway)
- Cook Islands
- Cook Strait
- Cook, Mount
- Cooking Fats
- Cool Jazz
- Cool Papa Bell Biography (1903–91) (popular name of James Thomas Bell)
- Coot
- Copenhagen (Danish KøbenhavnLat Hafnia)
- Copenhagen Interpretation
- Copepod
- Copernican System
- Copper
- Copperbelt
- Copperhead
- Copperhead
- Coppice
- Copra
- Coprolalia
- Coptic Art
- Coptic Church ((Gr aigyptos ‘Egyptian’))
- Copyright
- Copán
- Coquimbo
- Cor Anglais ((Fr ‘English horn’))
- Cora DuBois Biography (1903–91)
- Coracle
- Coral
- Coral Bistuer Biography (1973– )
- Coral Sea Islands, Territory Of The
- Coral Sea Or Solomon Sea
- Coral Snake
- Coral Tree
- Corbelling
- Corbières
- Cord Grass
- Cordeliers, Club Of The
- Cordell Hull Biography (1871–1955)
- Core Curriculum
- Core Electrons
- Coretta Scott King Biography (1927–2006)
- Corfu (Gr Kérkira)
- Corgi
- Coriander
- Corinth (Gr Kórinthos)
- Corinth Canal
- Corinthian Order
- Corinthians, Letters To The
- Corinto (formerly Punta Icacos)
- Coriolis Force
- Cork
- Cork (city) (Ir Chorcaigh)
- Cork (county) (Ir Chorcaigh)
- Cork Oak
- Corm
- Cormac McCarthy Biography (1933– )
- Cormorant
- Corn
- Corn Belt
- Corn Borer
- Corn Laws
- Corn Marigold
- Corn Poppy
- Corn Spurrey
- Corncockle
- Corncrake
- Cornea
- Corneille De Lyon Biography (fl.1533–d.1574)
- Corneille Jean François Heymans Biography (1892–1968)
- Cornel West Biography (1953– )
- Cornelia Connelly Biography (1809–79) (née Peacockknown as Mother Cornelia Connelly)
- Cornelian Cherry
- Cornelis (Jacobszoon) Drebbel Biography (c.1572–1633)
- Cornelis (Maartenszoon) Tromp Biography (1629–91)
- Cornelis Cleve Biography (1520–67)
- Cornelis Corneliszoon Jol Biography (1600–41) (nickname HoutebeenEng Peg Leg)
- Cornelis De Vos Biography (1585–1651)
- Cornelis Jacob Van De Graaff Biography (1734–1812)
- Cornelis Janssen Biography (1593–1661) (originally Cornelius Johnson)
- Cornelis Musch Biography (1592–1650)
- Cornelis Verolme Biography (1900–81)
- Cornelius (Otto) Jansen Biography (1585–1638)
- Cornelius (Van Allen) Van Dyck Biography (1818–95)
- Cornelius Nepos Biography (c.99–25 BC)
- Cornelius Vanderbilt Biography (1794–1877) (known as Commodore)
- Cornelius Vanderbilt Biography (1843–99)
- Cornelius Warmerdam Biography (1915–2001) (nickname Dutch Warmerdam)
- Cornet
- Cornetfish
- Cornett
- Cornflour
- Cornflower
- Cornice
- Cornish
- Cornplanter Biography (?1735–1836) (originally Gaiant-wa'kaalso known as John O'Bail)
- Cornucopia
- Cornwall (Celtic Kernow)
- Coromandel Coast
- Coromandel Screen
- Corona (astronomy)
- Corona (botany)
- Corona Australis ((Lat ‘southern crown’))
- Corona Borealis ((Lat ‘northern crown’))
- Corona Discharge
- Coronagraph
- Coronary Heart Disease
- Coroner
- Corporation Act
- Corporation Tax
- Corporatism
- Corpus Christi, Feast Of
- Corpus Juris Canonici ((Lat ‘body of canon law’))
- Corpus Luteum
- Corradino Di Svevia (of Swabia) Biography (1252–68)
- Corrado Alvaro Biography (1895–1956)
- Corrado Govoni Biography (1884–1965)
- Correggio Biography (c.1494–1534) (originally Antonio Allegri)
- Correlation
- Correspondence Principle
- Corroboration
- Corroboree
- Corrosion
- Corsairs
- Corsica (Fr Corse)
- Cortes
- Cortex
- Corticosteroids
- Cortisol
- Corundum
- Corunna (Span La CoruñaGalician A Coruñaancient Caronium)
- Corvette
- Corvus ((Lat ‘crow’))
- Cory Aquino Biography (1933– ) (popular name of (Maria) Corazon Aquinonée Cojuangco)
- Corybantes
- Cos (Gr KósItal Coo)
- Cosimo (Marquis) Ridolfi Biography (1794–1865)
- Cosimo De' Medici Biography (1389–1464)
- Cosmas Biography (6th-c) (known as Indicopleustes (‘Indian Traveller’))
- Cosmetics
- Cosmic Background Explorer (COBE)
- Cosmic Background Radiation
- Cosmic Dust
- Cosmic Rays
- Cosmic String
- Cosmological Argument
- Cosmological Constant
- Cosmology
- Cosmonaut
- Cosmè Tura Biography (c.1430–95)
- Cossacks
- Cossante Or Cosaute ((Fre ‘coursault’))
- Cost-accounting
- Costa Azul
- Costa Blanca
- Costa Brava
- Costa De La Luz
- Costa Del Azahar
- Costa Del Sol
- Costa Dorada
- Costa Dourada
- Costa Rica
- Costa-Gavras (Konstantinos Gavras) Biography (1933– )
- Costantino Lazzari Biography (1857–1927)
- Costantino Nigra Biography (1828–1907)
- Costanza D'Altavilla Biography (1146–98)
- Costanzo Ciano Biography (1876–1939)
- Costmary
- Costumbrismo
- Cost–benefit Analysis
- Cotinga
- Cotoneaster
- Cotonou
- Cotopaxi
- Cotswold Hills Or Cotswolds
- Cottian Alps (Fr Alpes Cottiennes)
- Cotton
- Cotton Gin
- Cotton Mather Biography (1663–1728)
- Cotton Stainer
- Cottongrass
- Cottonmouth
- Cottontail
- Cottony Cushion Scale
- Cotyledons
- Couch Grass
- Cougar
- Coulomb
- Coulomb's Law
- Council
- Council For Mutual Economic Assistance (COMECON)
- Council For The Protection Of Rural England
- Council Of Baltic States
- Council Of Europe
- Council Of Ministers
- Council Of The Church
- Count (textiles)
- Count And Countess
- Count Basie Biography (1904–84) (popular name of William Allen Basie)
- Count Ignatiev, Nikolay Pavlovich Biography (1832–1908)
- Count Johan Paul Van Limburg Stirum Biography (1873–1948)
- Count Lamoral Of Egmont Biography (1522–68) (Dutch EgmondGraaf Lamoraal van)
- Count Leo Nikolayevich Tolstoy Biography (1828–1910)
- Count Of Blois Stephen-Henry Biography (1046–1102)
- Count Of Bossu Or Boussu, Maximilien De Hénin De Liétard Biography (1542–78)
- Count Of Gelre Otto II Biography (c.1200–71) (nickname the Lame or Horsefoot)
- Count Of Horne Or Hoorne, Philip Of Montmorency Biography (1524–68)
- Count Of Loon Arnold V Biography (c.1250–1328)
- Count Of Misurata Volpi, Giuseppe Biography (1877–1947)
- Count Of Nassau-Siegen John VIII Biography (1583–1638) (known as the YoungestDutch Johan VIII de Jongste)
- Count Of Santarosa, Santorre Annibale De' Rossi Di Pomarolo Biography (1783–1825)
- Count Schimmelpenninck, Gerrit Biography (1794–1863)
- Count Verhuell, Carel Hendrik Biography (1764–1845)
- Count Walewski, Alexandre Florian Joseph Colonna Biography (1810–68)
- Counter-Reformation (Span Contrarreforma [kontrarefaw(r)ma])
- Counter-Remonstrants
- Counterfeiting
- Counterpoint
- Countertenor
- Countess D' Oultremont De Wégimont, Henriette Adrienne Louise Floree Biography (1792–1864)
- Countess Markievicz, Constance (Georgine) Biography (1868–1927) (née Gore-Booth)
- Countess Of Albany, Louisa Maximilienne Caroline Biography (1752–1824)
- Countess Of Blessington, Marguerite Gardiner Biography (1789–1849)
- Countess Of Castiglione, Virginia Oldoini Verasis Biography (1837–99)
- Countess Of Huntingdon, Selina Hastings Biography (1707–91) (née Shirley)
- Countess Of Lovelace, Augusta Ada King Biography (1815–52) (née Byron)
- Countess Of Mountbatten, Edwina (Cynthia Annette) Mountbatten Biography (1901–60) (née Ashley)
- Countess Of Nassau Juliana Of Stolberg-Wernigerode Biography (1506–80)
- Countess Of Richmond Beaufort, Lady Margaret Biography (1443–1509)
- Countess Of Winchilsea, Anne Finch Biography (1661–1721) (née Kingsmill)
- Countess Walewska, Maria Biography (1786–1817) (née Laczynska)
- Countries Of The World
- Country And Western
- Country Dance
- Country Women's Association (CWA)
- Countryside Commission (formerly (to 1991) Countryside Commission for England and Wales)
- County Council
- County Court
- Countée Cullen Biography (1903–46) (originally Countée LeRoy Porter)
- Couple
- Couplers
- Courante
- Courbevoie
- Courgette ((UK) or zucchini (US))
- Courser
- Coursing
- Court Martial
- Court Of Appeal
- Court Of Auditors
- Court Of Justice Of The European Communities
- Court Of Law
- Court Of Session
- Courteney Cox (Arquette) Biography (1964– )
- Courtly Love
- Courtney (Hicks) Hodges Biography (1887–1966)
- Coustou
- Covariance
- Covenant (law)
- Covenant (scripture)
- Covenanters
- Covent Garden
- Coventry (Middle Eng Couentrey)
- Coventry (Kersey Dighton) Patmore Biography (1823–96)
- Cover Crop
- Cow Parsley
- Cow Pea
- Cow Pox
- Cowberry
- Cowbird
- Cowes
- Cowpens, Battle Of
- Cowrie
- Cowslip
- Coyote
- Coypu
- CP Violation
- Crab
- Crab Nebula
- Crabeater Seal
- Crabtree, Joseph Biography (1754–1854)
- Crack
- Craig (Anthony) Raine Biography (1944– )
- Craig Cameron Mello Biography (1960– )
- Craig Claiborne Biography (1920–2000)
- Crake
- Cramp
- Cranberry
- Crane (engineering)
- Crane (ornithology)
- Cranefly
- Cranesbill
- Craps
- Craquelure
- Crater ((Lat ‘cup’))
- Crater
- Crater Lake (USA)
- Crates Of Chalkis Biography (fl.335–325 BC)
- Cratinus Biography (c.519–423 BC)
- Crawford (Williamson) Long Biography (1815–78)
- Crayfish
- Crazy Horse Biography (c.1842–77) (Sioux name Tashunka Witco)
- Crazy Snake Biography (1846–1912) (originally Chitto Harjo)
- Creacionismo
- Creamware
- Creationism
- Credibility
- Credit Card
- Credit Insurance
- Credit Rating
- Credit Union
- Credits
- Cree
- Creek
- Creep
- Cremation
- Cremona
- Creodont
- Creole
- Creon Or Kreon
- Creosote
- Crepuscolarismo
- Cresco
- Cresol
- Cress
- Cressida
- Crested Tit
- Cretaceous Period
- Crete (Gr KrítiItal Candiaancient Creta)
- Cretinism
- Creus, Cape (ancient Aphrodisium)
- Creutzfeldt-Jakob Disease
- Cribbage
- Cricket (entomology)
- Cricket (sport)
- Crime Writers' Association
- Crimea (Russ Krym)
- Crimean War
- Criminal Injuries Compensation Scheme
- Criminal Law
- Criminology
- Crimp
- Crinoid
- Crisis Management
- Crisis Theology
- Crispus Attucks Biography (?1723–70)
- Cristóbal Balenciaga Biography (1895–1972)
- Cristóbal Colón, Pico
- Cristóbal De Virués Biography (c.1550–c.1614)
- Cristóbal Morales Biography (1500–53)
- Cristóbal Pérez De Herrera Biography (1558–1625)
- Criterion-referenced Test
- Critias Biography (c.460–403 BC)
- Critical Mass
- Critical Phenomena
- Crittenden Compromise
- Cro-Magnon Man
- Croatia
- Crocket
- Crocodile
- Crocodile-bird
- Crocus
- Croesus Biography (?–c.546 BC)
- Crofting
- Crohn's Disease
- Cromoglycate Or Sodium Cromoglycate
- Cronicones ((Eng ‘brief annals’))
- Cronus
- Crop Rotation
- Croquet
- Cross
- Cross Fell
- Cross-bencher
- Cross-country Running
- Cross-section
- Crossbill
- Crossbow
- Crossopterygii
- Crotone (Lat Croton)
- Croup
- Crow
- Crow
- Crow Dog Biography (?1835–?1910) (originally Kargi Sunka)
- Crowberry
- Crown
- Crown Agents (for Overseas Governments And Administrations)
- Crown Court
- Crown Estate
- Crown Jewels
- Crown Of Thorns
- Crown Proceedings Act
- Crown Prosecution Service
- Crucifixion
- Cruelty, Theatre Of
- Cruise Missile
- Cruiser
- Crumhorn
- Crusades
- Crustacean
- Crux ((Lat ‘cross’))