Definitions from Wiktionary (circadian rhythm)

▸ noun:  (biology, sleep medicine) The internal body clock that regulates the roughly 24-hour cycle of biological processes in animals and plants.
▸ Also see circadian_rhythm


▸ Words similar to circadian rhythms
▸ Usage examples for circadian rhythms

▸ Idioms related to circadian rhythms
▸ Wikipedia articles (New!)
▸ Words that often appear near circadian rhythms
▸ Rhymes of circadian rhythms

▸ Invented words related to circadian rhythms