Definition of oestrone in English:

oestrone

(US estrone)

Pronunciation /ˈiːstrəʊn//ˈɛstrəʊn/

noun

Biochemistry
  • [mass noun] An oestrogen similar to but less potent than oestradiol.

    • ‘Much of the estradiol is converted into estrone and estriol, but these are only two of the best-known metabolites.’
    • ‘There was the hormone estrone, a form of the estrogen prescribed to help menopausal women.’
    • ‘Natural estrogen can also easily be divided into the three types of estrogen: estradiol, estrone, and estriol.’
    • ‘I assume that you're taking an oral dose of estriol or some combination of estriol, estrone, and estradiol.’
    • ‘There were increases in blood levels of the estrogens, estradiol and estrone, and a reduction of the protective HDL cholesterol.’

Origin

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

Pronunciation

oestrone

/ˈiːstrəʊn//ˈɛstrəʊn/