- catapultic
- cortical cataract
- cataract extraction
- cataract knife
- cataract (formed in the eye)
- cystourethropexy
- cytolysis
- cataract needle
- chronic glaucoma
- cystometry
- cystopexy
- cytoid
- cytodiagnosis
- cytochemical test
- contrariness
- cosmopolitan
- cosmopolitanism
- crown imperial
- Crassostrea
- caribe
- cherimolla
- cherepovets
- cherimoya
- c. k. ogden
- cutaneous diphtheria
- cutaneous horns
- cutaneous pigmentation
- cunningham
- cunningly
- cholelithotomy
- cutting pliers
- cyanapsis tetragonalba
- cutting point
- corrigans sign
- cholecystatony
- cholecystitis glandularis proliferans
- cx_ प्रचिक्रियाशील प्रोटीन
- cigar butt
- cx_reactive protein
- cyanotic
- cyber space
- class cryptophyceae
- cycle steal
- cycle microprogramming
- cycle stealing
- cyclo olefin
- cyclitis
- cyclodiathermy
- cholinesterase
- chymosin