- chevron notch
- child resource
- chisel
- chemical balance
- chemical drains
- chemical potential
- chromatic spectrum
- chromatography column
- chrome intensifier
- circular aperture
- circular waves
- cladding centre
- classic thermodynamics
- chloride paper
- chromatic dispersion
- chromaticity coordinates
- chromatography papers
- circuit
- chromatic scale
- chromatography tank
- cladding center
- cladding monitoring
- clamping reflector
- clear image
- clearance
- click stop
- cleveite
- click
- clockwork
- cloud point
- cluster model
- CMD player
- co-phase
- coarse vacuum
- coast
- cobalt bomb
- closed diaphragm
- closed vessel
- cock
- cocking lever
- cocking ring
- coefficient
- coercive
- cold bending
- cold bond
- cold bonding
- cold casting
- cold curing
- collimate
- collision density
- coherence area
- coherent sound
- cohesion
- cold creep
- cold reactor
- cold-cured
- collapsible viewfinder
- collider
- collimated fault
- collimator
- collision destruction
- collision integral
- collodion plate
- color coordinates
- colligative
- collimated lens
- collimation
- color analyzer
- color pyrometer
- colour development
- colour wheel
- combustion air
- combustion boat
- cold-harden
- collapsed pipe
- collimation method
- collision experiment
- color development
- color photography
- colorimetric pyrometer
- colour analyser
- colour cast
- colour developer
- colour screen
- color triangle
- color wheel
- colour print
- coma
- comae
- communicating vessels
- combination tone
- combustion analysis
- combustion deposits
- combustion efficiency
- combustion engineering
- command phase
- compaction method
- comparative test
- comparison values
- compass bowl