Also found in: Thesaurus.
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|Adj.||1.||diestrual - (of animals that have several estrous cycles in one breeding season) in a period of sexual inactivity|
anestrous - (of lower mammals) not in a state of estrus; not in heat; "an anestrous bitch"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.