quinestrol

[ kwin-es-trawl, -trol ]
/ kwɪnˈɛs trɔl, -trɒl /

noun Pharmacology.

a synthetic estrogen, C25H32O2, used in oral contraceptives.

Origin of quinestrol

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