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Related to dioestrus: polyoestrous, anoestrus


(daɪˈiːstrəs) or


(Zoology) a period of sexual inactivity between periods of oestrus in animals that have several oestrous cycles in one breeding season
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(daɪˈɛs trəs)

an interval of sexual inactivity between periods of estrus.
[1940–45; di-3 + estrus]
di•es′trous, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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The studies were performed on 27 dogs with pyometra, with a mean body weight of 20.18[+ or -]12.41 kg (pyometra group; PG), and 8 clinically healthy dogs in dioestrus with a mean body weight of 15.15[+ or -]14.72 kg (dioestrus group; DG).
It is well described that the oestrous cycle of rats lasts four or five days and consists of proestrus, oestrus, metoestrus, and dioestrus, and includes various alterations in the concentrations of gonadal steroids and gonadotropins.14-17 Briefly, in the proestrus phase, the oestradiol level rises and ovarian follicles grow fast.