Definition of oestrone in English:

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Pronunciation: /ˈiːstrəʊn/
Pronunciation: /ˈɛstrəʊn/
(US estrone)


[mass noun] Biochemistry
An oestrogen similar to but less potent than oestradiol.
Example sentences
  • Natural estrogen can also easily be divided into the three types of estrogen: estradiol, estrone, and estriol.
  • There were increases in blood levels of the estrogens, estradiol and estrone, and a reduction of the protective HDL cholesterol.
  • There was the hormone estrone, a form of the estrogen prescribed to help menopausal women.


1930s: from oestrane (parent molecule of most oestrogens) + -one.

For editors and proofreaders

Line breaks: oes|trone

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