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estrus
6 dictionary results for: Estrus
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
es·trus 
[es-truhs] Pronunciation Key
—Related forms
[es-truhs] Pronunciation Key –noun Zoology.
| 1. | Also, es·trum
[es-truhm] Pronunciation Key, oestrus. the period of heat or rut; the period of maximum sexual receptivity of the female. |
| 2. | estrous cycle. |
—Related forms
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
American Heritage Dictionary - Cite This Source - Share This
| es·trus also oes·trus
(ěs'trəs) Pronunciation Key
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. [New Latin, from Latin oestrus, frenzy, gadfly, from Greek oistros; see eis- in Indo-European roots.] |
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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Online Etymology Dictionary - Cite This Source - Share This
estrus
estrus
1850, from L. oestrus "frenzy, gadfly," from Gk. oistros "gadfly, breeze, sting, mad impulse" (probably cognate with Lith. aistra "violent passion," L. ira "anger"). Earliest Eng. sense is of "frenzied passion;" first attested 1890 with meaning "rut in animals, heat."
Online Etymology Dictionary, © 2001 Douglas Harper
WordNet - Cite This Source - Share This
| estrus | |
noun | |
| applies to nonhuman mammals: a state or period of heightened sexual arousal and activity [ant: anestrum] |
WordNet® 3.0, © 2006 by Princeton University.
The American Heritage Science Dictionary - Cite This Source - Share This
| 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.
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The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
American Heritage Stedman's Medical Dictionary - Cite This Source - Share This
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.
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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