- counterflow cooling
- counterflow design
- counting mechanism
- counting relay
- coupled oscillators
- coupler
- coupling
- coupling capacitor
- coupling coefficient
- coupling loop
- coupling probe
- coupling scheme
- coverage
- cowl
- CR law
- crankcase heating
- crankcase pressure
- crankcase temperature
- Crater lamp
- cratering
- cream ice
- crawling
- creeping
- creeping flow
- creeping motion
- creeping wave
- crest voltmeter
- crimp contact
- crimped fin
- crimping
- crispering
- criterion
- critical coefficient
- critical heat
- critical isotherm
- critical opalescence
- critical system
- criticality
- cryobiology
- cryochemistry
- cryocooling
- cryoelectronic device
- cryogenic apparatus
- cryogenic container
- cryogenic fluid
- cryogenic liquefaction
- cryogenic machinery
- cryogenic pump
- cryogenic reservoir
- cryogenic substance
- cryohydrate
- cryoprobe
- cryopump
- cryoscopy
- cryostat
- cryosurgery
- cryptogenetic
- crystal detector
- crystal growth
- crystal imperfection
- crystalliferous
- crystalliser
- crystallization center
- cross bond
- cross bow
- crown glasses
- crown lens
- crucial
- crucial experiment
- cryoabsorption
- cryobiological technology
- cryobranding
- cryocoagulation
- cryocooler
- cryodesiccation
- cryoelectrotechnics
- cryoextraction
- cryogenic
- cryogenic application
- cryogenic coil
- cryogenic cooler
- cryogenic device
- cryogenic engine
- cryogenic equipment
- cryogenic film
- cryogenic freezing
- cryogenic generator
- cryogenic loop
- cryogenic piping
- cryogenic process
- cryogenic refrigerator
- cryogenic surgery
- cryogenic tank
- cryogenic trap
- cryomagnetic
- cryomedicine
- cryomicroscope
- cryophysics
- cryopreservation
- cryoprotective agent