comb - conn
- conductor
- conductor bar
- conductor layer
- conductor pattern
- conductor pipe
- conductor-to-hole spacing
- conduplicate
- condurangin
- cone
- cone agitator
- cone angle
- cone antenna
- cone baffle classifier
- cone belt
- cone bottom
- cone classifier
- cone crusher
- cone mill
- cone of kidney
- cone of origin
- cone tank
- cone valve
- conelet
- conet
- conference connection
- confidence belt
- confidence coefficient
- confidence figure
- confidence interval
- confidence level
- confidence limit
- confidence limits
- confidence probability
- confidence region
- configuration
- configuration base unit
- configuration interaction
- configuration repeating unit
- configuration space
- configurational
