circadian
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.cir·ca·di·an
adjective \sər-ˈkā-dē-ən\Definition of CIRCADIAN
: being, having, characterized by, or occurring in approximately 24-hour periods or cycles (as of biological activity or function) <circadian rhythms in activity>
See Origin of CIRCADIAN
Latin circa about + dies day + English 2-an — more at deity
First Known Use: 1959
Other Physiology Terms
cir·ca·di·an
adjective \(ˌ)sər-ˈkad-ē-ən, -ˈkād-; ˌsər-kə-ˈdī-ən, -ˈdē-\ (Medical Dictionary)Medical Definition of CIRCADIAN
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