Definition of estradiol
Origin of estradiol
International Scientific Vocabulary estra- (from estrane parent compound of estradiol, from New Latin estrus + English -ane) + di- + 1-ol
First Known Use: 1934
Medical Definition of estradiol
: a natural estrogenic hormone that is a phenolic alcohol C18H24O2 secreted chiefly by the ovaries, is the most potent of the naturally occurring estrogens, and is administered in its natural or semisynthetic esterified form especially to treat menopausal symptoms—called also dihydrotheelin; see estrace, estraderm, estring
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