대략 24시간을 주기로 반복되는 생물학적 과정에 관한.
Relating to biological processes that occur regularly on a cycle of approximately 24 hours, even in the absence of external cues.
예문:
"Exposure to bright light in the evening can disrupt your circadian rhythm and make it harder to fall asleep."
"Scientists are studying how circadian clocks in plants regulate their growth and flowering times."
"Shift workers often struggle with health issues caused by the misalignment of their circadian cycles."