monestrous

from WordNet (r) 3.0 (2006)
monestrous
    adj 1: having one estrous cycle per year [syn: {monestrous},
           {monoestrous}]
from The Collaborative International Dictionary of English v.0.48
monestrous \mon*es"trous\, a. (Zool.)
   Having only one estrus period per breeding cycle or per year;
   -- of certain mammals.
   [PJC]
antiflux / dictionary / monestrous
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