colorgrade - conduction mechanism
- concentration factor
- concentration of coal faces
- concentration of dissolved solids
- concentration of floating ice
- concentration of heavy homologues of methane
- concentrator
- concentric banding
- concentric cleavage
- concentric folding
- concentric jointing
- concentric with surface
- concentric zonal structure
- concept
- conceptacle
- concertal
- concession
- conch
- conchiform
- conchilite
- conchiolin