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circannual. In DICTIOUS you will not only get to know all the dictionary meanings for the word
circannual, but we will also tell you about its etymology, its characteristics and you will know how to say
circannual in singular and plural. Everything you need to know about the word
circannual you have here. The definition of the word
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English
Etymology
Formed as circ(a) + annual, after circadian.
Adjective
circannual (not comparable)
- (biology) Occurring or having cycles of approximately annual periodicity
1956, USAF School of Aerospace Medicine, Report , , page 11:[…] because morbidity and mortality from cardiovascular disease also reveal statistically significant circadian and circannual rhythms.
2000, Martin Hume Johnson, Barry J. Everitt, Essential Reproduction, page 110:Circannual rhythms control reproductive function in seasonal breeders.
2001, Joseph S. Takahashi, Fred W. Turek, Robert Y. Moore, Handbook of Behavioral Neurobiology, page 523:Seasonal variations in locomotor activity are generated by a circannual clock […].