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definitions

proestrus

[ proh-es-truh s ]
/ proʊˈɛs trəs /

noun

the period immediately preceding estrus.

Nearby words

  1. proem,
  2. proenzyme,
  3. proerythroblast,
  4. proerythrocyte,
  5. proestrogen,
  6. prof,
  7. prof.,
  8. prof. eng.,
  9. profamily,
  10. profanation
Also pro-oestrus.

Origin of proestrus

First recorded in 1920–25; pro-1 + estrus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for proestrus

proestrus

/ (prəʊˈɛstrəs, -ˈiːstrəs) /

noun

the usual US spelling of pro-oestrus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for proestrus

proestrus

[ prō-ĕs′trəs ]

n.

The period immediately before estrus in most female mammals, characterized by development of the endometrium and ovarian follicles.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.