== C ==
;CB:centre Centre of buoyancy
;Cb:Block coefficient
;CG:centre Centre of gravity;cm:centimetreCentimetre
;Cp:Prismatic coefficient
;CR:continuous Continuous roving
;CS:Container ship
;cd:candelaCandela, SI unit of luminous intensity;cu:cupCup;CAD:computerComputer-aided design ;CCF:cold Cold cathode fluorescent;CCT:correlated Correlated colour temperature
;CFD:Computational fluid dynamics
;CFL:compact Compact fluorescent light
;CFM:Cubic feet per minute
;CL PVC:Poly Vinyl Chloride
;CRI:Colour Rendering Index
;CSM:chopped Chopped strand mat
== D ==