circadian
adjective
No English definition recorded for this entry.
L30516 on Wikidata ↗Wiktionary
Pronunciation: /səˈkeɪ.dɪ.ən/ / /sɚˈkeɪ.di.ən/ / /sɚˈkæd.i.ən/
adj
Etymology: Etymology tree Proto-Indo-European *(s)ker-der. Ancient Greek κίρκος (kírkos)bor. Latin circus Latin circum Latin circā Proto-Indo-European *dyew- Proto-Indo-European *-s Proto-Indo-European *dyḗws Proto-Italic *djous Latin diēs Proto-Indo-European *-nós Proto-Italic *-nos Latin -nus Latin -ānus Old French -ainder. Middle English -an English -an English circadian From Latin circā (“around”) + diēs (“day”) + English -an. Compare circannual.
- Of, relating to, or showing rhythmic behaviour with a period of approximately 24 hours; especially of a biological process.
“The circadian clock is involved in the regulation of the diurnal sleep-wake cycle, […].”
“To summarize, the circadian system, particularly the SCN, controls the circadian pattern of melatonin release in mammals.”