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English definition of “oestrogen”

oestrogen

noun [U] uk UK (US estrogen)   /ˈiː.strə.dʒən/ us    /ˈes.trə-/
a female hormone that causes development and change in the reproductive organs (= organs involved in producing babies)Animal biochemistryAnimal reproduction
(Definition of oestrogen from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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