Definities van Oosthoek encyclopedie in de Ensie C
- Cette
- Cetus
- Cetylalkohol
- Ceulen (Ludolf van)
- Ceuta
- Ceva (Giovanni)
- Ceva (Tommaso)
- Cevadine
- Cevallos (Pedro)
- Cévennes (Les)
- Ceylon
- Ceylonkaneel
- Ceyx
- Ch
- Ch’ao Mêng Foe
- Cha-no-e
- Chaam
- Chabarowsk
- Chabas (François)
- Chabaziet
- Chabins
- Chabiroe
- Chablais
- Chablis
- Chaboer
- Chaboras
- Chabrias
- Chabrier (Alexis Emanuel)
- Chachapoyas
- Chaco
- Chaco (Gobernacion del)
- Chacon
- Chaconne (It al. Ciacona)
- Chacornac (Jean)
- Chadderton
- Chadwick (George Witefield)
- Chaerea (C. Cassius)
- Chaeronea
- Chaerophyllum
- Chaetopoda
- Chagos-eilanden
- Chagrijnleder
- Chagrineermachine
- Chaignet (Anthelme Edouard)
- Chailar
- Chaillexon (Lac de)
- Chairman (Eng.)
- Chakri-Orde
- Chalazion
- Chalazogamie
- Chalcedon
- Chalcedoon
- Chalcidice (Chalkidike)
- Chalcis
- Chalcondyles (Demetrius)
- Chaldaea
- Chaldea
- Chaldeeërs
- Chaldeeuwsche (Chaldeesche)
- Chaldeeuwsche Christenen
- Chaldeeuwsche periode
- Chalkanthiet
- Chalkochemigraphie
- Chalkographie
- Chalkopyriet (Hd. Kupferkies)
- Chalkosien (Hd. Kupferglanz)
- Chalkotypie
- Chalkoxylographie
- Challemel-Lacour (Paul Armand)
- Challenger-expeditie
- Challenger-plateau
- Chalmers
- Chalmers (Alexander)
- Chalmers (George)
- Chalmot
- Châlons-sur-Marne
- Châlons-sur-Saône
- Chalten
- Chalumeau
- Chȃlus
- Chalybäus
- Chalybes
- Cham
- Chama
- Chamaecyparis
- Chamaedorea
- Chamaeleon
- Chamaepeuce
- Chamaerops
- Chamaileon
- Chamaven
- Chamberlain
- Chamberland-filter
- Chambers
- Chambers (William en Robert)
- Chambertin
- Chambéry
- Chambon Feugerolles (Le)
- Chambonnières
- Chambord
