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diestrus

American

[dahy-es-truhs] / daɪˈɛs trəs /

especially British, dioestrus

noun

Zoology.

(in some female mammals) an interval of sexual inactivity within an estrous cycle, during which the uterus is preparing for pregnancy.

diestrus British

/ daɪˈiːstrəs /

noun

the US spelling of dioestrus

"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

Other Word Forms

diestrous

adjective

Etymology

Origin of diestrus

First recorded in 1940–45; di- ³ + estrus

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023