Definitions
of or relating to biological processes occurring at 24-hour intervals
Word origin
From Latin circā (“around”) + diēs (“day”) + English -an. Compare circannual.
Used in a sentence
“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.”
“The most obvious circadian rhythm is the daily cycle of sleep and activity.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Body-clock related”9 letters
02“Daily-cycle related”9 letters
Not quite right?
"Search similar patterns."
C________