n.
Pronunciation: ( ˌ )pr ō - ' es-tr ə s
Function: noun
Etymology: New Latin
Date: 1923
: a period immediately preceding estrus characterized by preparatory physiological changes
n.
Pronunciation: ( ˌ )pr ō - ' es-tr ə s
Function: noun
Etymology: New Latin
Date: 1923
: a period immediately preceding estrus characterized by preparatory physiological changes
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012