circadian rhythm

1. 1.

   a daily cycle of activity observed in many living organisms

   Broaderbiological time

Questions about circadian rhythm

What does circadian rhythm mean?

circadian rhythm means "a daily cycle of activity observed in many living organisms".

Is circadian rhythm a common word?

circadian rhythm is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.