English Explanatory Dictionary

estradiol

English dictionary entry

Meanings

noun
  1. A natural estrogenic hormone that is a phenolic alcohol estra-1,3,5-triene-3,17-diol (C₁₈H₂₄O₂) secreted chiefly by the ovaries of all vertebrates, that is a major and the most potent of the naturally occurring estrogens; the semisynthetic esterified compound is used medicinally to treat estrogen deficiency and breast cancer.

Pronunciation

/ˌɛs.tɹəˈdaɪˌɔl/ LL-Q1860 (eng)-NaomiAmethyst-estradiol.wav

Word forms

estradiol estradiols E2 oestradiol

Etymology

Internationalism. From estratriene (“estra(triene)”) + diol. By surface analysis, estra- + di- + -ol.

Derived words

cloxestradiol estradiol benzoate estradiol undecylate estradiol valerate estramustine estrapronicate ethinylestradiol fluorestradiol fluoroestradiol methylestradiol mifepristone quinestradol
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