Definition of estriol in English:

estriol

(also oestriol)

noun

Biochemistry
  • An estrogen that is one of the metabolic products of estradiol.

    • ‘Natural estrogen can also easily be divided into the three types of estrogen: estradiol, estrone, and estriol.’
    • ‘Even though the ovaries cease producing estradiol, estriol continues to be made by the adrenal glands and in fat cells.’
    • ‘Fetal cortisol and estriol were measured in the umbilical vein plasma at delivery.’
    • ‘The primary estrogen secreted by the ovary is estradiol, whereas that of the placenta is estriol.’
    • ‘I assume that you're taking an oral dose of estriol or some combination of estriol, estrone, and estradiol.’

Origin

1930s: from estrane (the parent molecule of most estrogens) + tri- + -ol.

Pronunciation:

estriol

/- ˌäl//eˈstrīäl//ˈestrīˌôl//eˈstrīôl/