estrous

[es-truhs]
adjective
pertaining to or involving the estrus.


Origin:
1895–1900; see oestrous

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World English Dictionary
estrus (ˈɛstrəs, ˈiːstrəs)
 
n
the usual US spelling of oestrus
 
'estrous
 
adj

oestrus, estrus or estrum (ˈiːstrəs, ˈɛstrəs, ˈiːstrəm, ˈɛstrəm)
 
n
a regularly occurring period of sexual receptivity in most female mammals, except humans, during which ovulation occurs and copulation can take place; heat
 
[C17: from Latin oestrus gadfly, hence frenzy, from Greek oistros]
 
estrus, estrus or estrum
 
n
 
[C17: from Latin oestrus gadfly, hence frenzy, from Greek oistros]
 
estrum, estrus or estrum
 
n
 
[C17: from Latin oestrus gadfly, hence frenzy, from Greek oistros]
 
'oestrous, estrus or estrum
 
adj
 
'oestral, estrus or estrum
 
adj
 
'estrous, estrus or estrum
 
adj
 
'estral, estrus or estrum
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

estrous es·trous (ěs'trəs)
adj.
Relating to or being in estrus.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
It yields space and food and, in the case of males, estrous females.
The estrous, or fertility, cycle in females could likewise be altered experimentally by doses of melatonin.
Two closely related species might have different estrous cycles.
Estrous synchronization programs need to be inexpensive, effective, and easy to administer.
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