oestroneestronen.
/ˈiːstrəʊn/, /ˈɛstrəʊn/, U.S. /ˈɛsˌtroʊn/ Biochemistry and Physiology.
An oestrogenic hormone less potent than oestradiol, produced by the ovaries and peripheral tissues, esp. during pregnancy; 3-hydroxyestra-1,3,5-trien-17-one, C18H22O2.
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1933 N. K. Adam et al. in Nature 5 Aug. 206/1 The full chemical names of two important derivatives..are 3,16,17-trihydroxy 1,3,5-œstratriene, and 3-hydroxy 17-keto 1,3,5-œstratriene. These names..are cumbrous for general and biological use. We suggest as common names, for use where the chemical nature of the principle has been identified, ‘œstriol’ for the trihydroxy compound, and ‘œstrone’ for the keto-hydroxy compound.
1951 A. Grollman Pharmacol. & Therapeutics xxvi. 579 Several preparations of amorphous concentrates of pregnancy urine or placental tissue, which consist principally of estrone sulfate, are prepared commercially for oral use.
1968 R. O. C. Norman Princ. Org. Synthesis xix. 651 There are four asymmetric carbon atoms in oestrone, so that there are eight enantiomorphic pairs of stereoisomers, all of which have been synthesized.
1991 G. Greer Change ix. 240 It seems that alcohol burns off the small supply of oestrone which, if she is lucky, keeps the menopausal woman on an even keel.
This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).
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n.1933