circannual

adjective

circ·an·nu·al | \ (ˈ)sər-ˈkan-yə(-wə)l

How to pronounce circannual (audio)

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Medical Definition of circannual

: having, characterized by, or occurring in approximately yearly periods or cycles (as of biological activity or function) circannual rhythmicity

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WORD OF THE DAY

sporadic

not constant or steady

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