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oestrogen

/ ˌɛstrəˈdʒɛnɪk; ˌiːstrəˈdʒɛnɪk; ˈɛstrə-; ˌiːstrə-; ˌɛstrə-; ˈiːstrədʒən /

noun

  1. 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
“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


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Derived Forms

  • ˌoestroˈgenically, adverb
  • oestrogenic, adjective
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Word History and Origins

Origin of oestrogen1

C20: from oestrus + -gen
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Example Sentences

Turing was offered the option of two years in prison or oestrogen injections—tantamount to chemical castration.

He was given the choice of two years in prison or oestrogen injections, tantamount to chemical castration.

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