7 letters · 7 points in Scrabble
noun a naturally occurring weak estrogenic hormone secreted by the mammalian ovary; synthesized (trade name Estronol) and used to treat estrogen deficiency
originEtymology tree Proto-Indo-European *h₁eysh₂-der. Ancient Greek οἶστρος (oîstros)der. Latin oestrusbor. English estrus Ancient Greek -ο- (-o-)der. Latin -o-bor. English -o- English estro- English estr- German Ketonbor. English ketone English -one English estrone From estr- + -one.
Etymology from Wiktionary, CC BY-SA 3.0