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Wiktionary
stilbestrol

n. (context organic compound English) A synthetic estrogen used to treat infertility in animals

WordNet
stilbestrol

n. a potent estrogen used in medicine and in feed for livestock and poultry [syn: diethylstilbestrol, diethylstilboestrol, stilboestrol, DES]

Wikipedia
Stilbestrol

Stilbestrol, or stilboestrol, also known as 4,4'-dihydroxystilbene or 4,4'-stilbenediol, is a stilbenoid and the parent compound of a group of non-steroidal estrogens that includes, most notably, diethylstilbestrol. The term "stilbestrol" is often used incorrectly to refer to diethylstilbestrol, but they are not the same compound.

The stilbestrol estrogens include diethylstilbestrol, diethylstilbestrol dipropionate, benzestrol, dienestrol, dienestrol acetate, dimestrol (dianisylhexene, diethylstilbestrol dimethyl ether, dimethoxydiethylstilbene), fosfestrol (diethylstilbestrol diphosphate), furostilbestrol, hexestrol (dihydrodiethylstilbestrol), hexestrol diacetate, hexestrol dicaprylate, hexestrol diphosphate, hexestrol dipropionate, mestilbol (diethylstilbestrol monomethyl ether), methestrol (promethestrol; dimethylhexestrol), methestrol dipropionate (promethestrol dipropionate), among others. The stilbestrol estrogens bind with high affinity to both ERα and ERβ.

Resveratrol is a stilbenoid with estrogenic properties that is not a silbestrol derivative (it is 3,4',5-stilbenetriol).

Usage examples of "stilbestrol".

Another synthetic estrogen is stilbestrol (stil-bes'trole), so called because it is related to an organic chemical called "stil-bene").

Hence stilbestrol is cheaper and more easily available than either the natural or synthetic steroid estrogens.