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estradiol Syllabification: es·tra·di·ol
Pronunciation: /ˌestrəˈdīôl/ /-ˌäl/
(British oestradiol)

Definition of estradiol in English:


A major estrogen produced in the ovaries.
Example sentences
  • There were increases in blood levels of the estrogens, estradiol and estrone, and a reduction of the protective HDL cholesterol.
  • Natural estrogen can also easily be divided into the three types of estrogen: estradiol, estrone, and estriol.
  • Steroid hormones such as progesterone, testosterone, and estradiol are derived from cholesterol, a major constituent of biomembranes.


1930s: from estrus + di-1 + -ol.

Definition of estradiol in:
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