chro - cock
- chromaffin hormone
- chromatic adaptation
- chromatic flicker
- chromatic scale
- chromatic sensitivity
- chromatic vision
- chromatographic theory of smell
- chromosome damage
- chronic acceleration
- chronic acceleration research
- chronic acceleration sickness
- chronic adaptation
- chronic barotrauma
- chronic exploration
- chronic fatigue
- chronic fatigue syndrome
- chronic-fatigue build
- chronically centrifuged
- chronically implanted electrode
- chronological age
- chronological sequence
- chronophysiology
- chronopsychology
- chunk
- CIFE
- cilia-otolith system
- ciliary muscle spasm
- ciliary reflex
- cine-radiographic study
- cine-recording ophthalmoscope
- cinematography
- cinerama sickness
- cinesia
- circa-tidal rhythm
- circadiac cycle
- circadian
- circadian (cycle) desynchronization
- circadian biorhythm
- circadian cycle
- circadian dysrhythmia
