oestrogen

US estrogen

/ (ˈiːstrədʒən, ˈɛstrə-) /

noun

any of several steroid hormones, that are secreted chiefly by the ovaries and placenta, that induce oestrus, stimulate changes in the female reproductive organs during the oestrous cycle, and promote development of female secondary sexual characteristics

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Derived forms of oestrogen

oestrogenic (ˌiːstrəˈdʒɛnɪk, ˌɛstrə-) or US estrogenic (ˌɛstrəˈdʒɛnɪk, ˌiːstrə-), adjectiveoestrogenically or US estrogenically, adverb

Word Origin for oestrogen

C20: from oestrus + -gen
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

Example sentences from the Web for oestrogen

Medical definitions for oestrogen

oestrogen
[ ĕstrə-jən ]

n.

Variant ofestrogen
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.