- crusher jaw
- cryochem process
- cryogenic fuel
- cryogenic steel
- cryosphere
- cryotemperature
- cryotocrystalline limestone
- crystal counter
- crystal spot
- crystalline basement
- crystalline wax
- crystallite
- crystallizer
- crystallogeny
- crystallographic slip
- cubic inch
- cubical lattice
- cumin oil
- cumulative yield
- cunife
- cup grease
- cupel
- cupellation
- cupreous
- cupric
- cuprite
- cuprous
- curare
- curb stone
- curdle
- curing
- curing agent
- curing chamber
- current bedding
- curp
- Current assets
- current efficiency
- current generator
- curtaining
- curvature correction
- curved well
- cretaceous period
- crevice
- crew
- crib ring
- cribbing
- cribwork
- crimson
- critical density
- critical flow
- critical humidity
- critical potential
- critical property
- crock
- cross bedding
- cross board
- cross correlation
- cross cutter
- cross entry
- cross esterificcation
- cross lode
- cross ratio
- cross slip
- crowd shovel
- crown block
- crowstone
- curvometer
- cushioned blasting
- cushioning
- custom duty
- custom examination
- custom permit
- customs agency
- customs station
- cut
- cut stone
- cut-oil
- cut-out
- cutback
- cutback tank
- cutting fluid
- crucible
- crude assay
- crude desalting
- crude fuel
- crude hydrocarbons
- crude lead
- crude petroleum
- crude stabilization
- crup
- crush structure
- crusher gauge
- crusher oil
- cryogenic temperature
- crystal water
- crystalline fracture
- crystallizable
- crystallization cleavage
- crystallization system
- crystallizing temperature