quinestrol

[kwin-es-trawl, -trol]

noun Pharmacology.

a synthetic estrogen, C25H32O2, used in oral contraceptives.

Origin of quinestrol

First recorded in 1965–70; quin(ic acid) + estr(ogen) + -ol¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018