Term: estrone
IPA: ˈɛˌstɹoʊn

==English==
[[File:Estrone structure.svg|thumb|Chemical structure of '''estrone''']]
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===Alternative forms===
* {{alter|en|oestrone||UK}}
* {{alter|en|E1}} {{q|abbreviation}}

===Etymology===
{{ety|en|:af|estr-|-one|text=+|tree=1}}

===Pronunciation===
* {{IPA|en|/ˈɛˌstɹoʊn/|a=GA}}
* {{audio|en|LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-estrone.wav|a=GA}}

===Noun===
{{en-noun|~}}

# {{lb|en|American spelling|steroid hormone|pharmaceutical drug}} A natural [[estrogenic]] [[h