(n,vs) close-up
(P)
(n) (comp) clone maker
(n) clonal selection theory
(n) (uk) black cow-tongue (species of tonguefish, Paraplagusia japonica)
(n) (uk) black-necked spitting cobra (Naja nigricollis)
(n,vs) crossover
(n) (comp) crossing cable
(n) (comp) cross connect
(n) (comp) XCMD
(n) cross-stitch
(n) (uk) Vespula flaviceps (species of yellowjacket)
(n) cross-selling
(n) cross-check
(n) cross bunker (golf)
(n) cross fire
(n) (comp) crosspoint
(n) (comp) clock up
(n) (comp) clock signal
clock pulse
(n) (comp) clock rate
(n) (comp) clock source
(n) (comp) clock frequency
(n) chronoscope
(P)
(n) chronometer
(n) black-currant (Ribes nigrum)
(n) (comp) CromaClear Tube
(n) chromatogram
(n) Cro-Magnon man
(n) chrome yellow
(n) chrome green (pigment made of chromium oxide, Cr2O3)
(n) (uk) black grouse (Tetrao tetrix)
blackcock (male black grouse)
greyhen (female black grouse)