- circ·an·nu·al (')sər-'kan-yə(-wə)l adj having, characterized by, or occurring in approximately yearly periods or cycles (as of biological activity or function) <\circannual rhythmicity>
* * *cir·can·nu·al (sər-kanґu-əl) [L. circa about + annus year] occurring every year; applied especially to the rhythmic repetition of certain phenomena (e.g., the flowering of plants) in living organisms at about the same time each year.
Medical dictionary. 2011.
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circannual — adjective Occurring or having cycles of approximately annual periodicity […] because morbidity and mortality from cardiovascular disease also reveal statistically significant circadian and circannual rhythms … Wiktionary
circannual — (ˈ)sər¦kanyə(wə)l adjective Etymology: Latin circa about + English annual : having, characterized by, or occurring in approximately yearly periods or cycles (as of biological activity or function) circannual rhythmicity * * * /serr kan yooh euhl/ … Useful english dictionary
circannual — approximately one year … Dictionary of ichthyology
circannual — /serr kan yooh euhl/, adj. Biol. noting or pertaining to a biological activity or cycle that recurs yearly. [1970 75; CIRC(A) + ANNUAL] * * * … Universalium
circannual — circ·an·nu·al … English syllables
circannual rhythm — recurrence of a phenomenon in cycles of about one year … Medical dictionary
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