- of or relating to biological processes that occur regularly at about 24-hour intervals, even in the absence of periodicity in the environment
See also biological clock
| 单词 | circadian |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 cir•ca•di•an (sûr kā′dē ən, -kad′ē-, sûr′kə dē′ən),USA pronunciation adj.
Collins Concise English Dictionary © HarperCollins Publishers:: circadian /sɜːˈkeɪdɪən/ adj
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