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es•trus



Pronunciation: (es'trus), [key]
n. Zool.
1. Also,es•trumPronunciation: (es'trum), [key]oestrus.the period of heat or rut; the period of maximum sexual receptivity of the female.
2. See estrous cycle.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

estrous cycleestuarine
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