Definition of circadian in English:

Share this entry

circadian

Pronunciation: /sərˈkādēən/

adjective

Physiology
(Of biological processes) recurring naturally on a twenty-four-hour cycle, even in the absence of light fluctuations: a circadian rhythm
More example sentences
  • In continuous light, circadian growth rhythms were detectable for up to 2 weeks.
  • While discussing the mechanisms underlying circadian rhythms, it would be well worth mentioning their genetic basis.
  • Terry learned to eat in tune with his natural circadian rhythms.

Origin

1950s: formed irregularly from Latin circa 'around' + dies 'day'.

Words that rhyme with circadian

Acadian, Akkadian, Arcadian, Barbadian, Canadian, Grenadian, Hadean, Orcadian, Palladian, radian, steradian

For editors and proofreaders

Syllabification: cir·ca·di·an

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.