anestrus

[an-es-truhs]

an·es·trus

[an-es-truhs]
noun Zoology.
(of a female mammal) the interval of sexual inactivity between two periods of heat or rut.


Origin:
1925–30; an-1 + estrus
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Anestrus is always a great word to know.
So is chordata. Does it mean:
cold-blooded vertebrate such as turtles, snakes, lizards, crocodilians, amphisbaenians and tuatara
phylum comprised of chordates
Collins
World English Dictionary
anestrus (ænˈiːstrəs)
 
n
a variant spelling (esp US) of anoestrus
 
an'estrous
 
adj

anoestrus or anestrus (ænˈiːstrəs)
 
n
a period of sexual inactivity between two periods of oestrus in many mammals
 
[C20: New Latin; see an-, oestrus]
 
anestrus or anestrus
 
n
 
[C20: New Latin; see an-, oestrus]
 
an'oestrous or anestrus
 
adj
 
an'estrous or anestrus
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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