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estrous

[es-truh s]
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adjective
  1. pertaining to or involving the estrus.
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Origin of estrous

First recorded in 1895–1900; see origin at oestrous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

estrous in Medicine

estrous

(ĕstrəs)
adj.
  1. Relating to or being in estrus.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.