- charge coupling
- charge independence
- charge record
- charge symmetric
- charge transfer
- charge-invariant
- charged
- charging connection
- channel set
- charcoal
- charge coefficient
- charge collector
- charge indicator
- charger-eliminator
- charging
- charging island
- charging rate
- charm
- charmed baryon
- chatter
- chemical diffusion
- chemical effect
- chemical purification
- chemical refrigeration
- chemical stability
- chemical transducer
- chemiluminescence
- Cheverel phases
- chill item
- chill room
- chill tank
- chilled commodity
- chilled load
- chilled surface
- chilled water
- chiller assembly
- chilling
- chilling department
- chilling injury
- chilling operation
- chilling truck
- chimney heating
- chlorinated dielectric
- chlorofluoro hydrocarbons
- chemical adsorption
- chemical capacitor
- chemical impurity
- chemical potential
- Chezy coefficient
- chief
- chill drawer
- chill merchandiser
- chill showcase
- chill storage
- chill tray
- chilled
- chilled cargo
- chilled item
- chilled volume
- chiller package
- chiller shell
- chilling bed
- chilling range
- chilling shrink
- chip freezing
- chipped ice
- chlortetracycline ice
- choke coil
- choke coupling
- choke filter
- choke tube
- chopped wave
- chroma key
- chrome-plated
- circuit breaker
- circuit routing
- circular current
- circulate
- circulating air
- circulating pump
- circulating volume
- circulatory path
- circumlunar
- circumsolar
- circumstellar gas
- cirrus
- clamping
- clamping device
- classical formula
- classical mechanics
- classified
- clausius
- clean air
- clean room
- clean situation
- cleaned air
- chlorinated hydrocarbon
- chlorinated refrigerant
- chlorofluorohydrocarbons
- choke