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estrum

 - 4 dictionary results

es⋅trus

  [es-truhs]
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–noun Zoology.
1. Also, es⋅trum  [es-truhm] , oestrus. the period of heat or rut; the period of maximum sexual receptivity of the female.
2. estrous cycle.
Origin:
1885–90; < L oestrus oestrus

Related forms:
es⋅tru⋅al  [es-troo-uhl] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: es·trus
Pronunciation: 'es-tr&s
Variants: or es·trum /-tr&m/ or chiefly British oes·trus/'E-str&s/ or oes·trum /'E-str&m/
Function: noun
1 a : a regularly recurrent state of sexual excitability duringwhich the female of most mammals will accept the male and is capable of conceiving : HEAT b : a singleoccurrence of this state
2 : ESTROUS CYCLE
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

estrus es·trus or oes·trus (ěs'trəs)
n.
The periodic state of sexual excitement in the female of most mammals, excluding humans, that immediately precedes ovulation and during which the female is most receptive to mating; heat.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
estrus   (ěs'trəs)  Pronunciation Key 
A regularly recurring period in female mammals other than humans during which the animal is sexually receptive. Estrus occurs around the time of ovulation. Also called heat.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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