transcription, транскрипция: [ ˈes-ˌtrī-ˌȯl, e-ˈstrī-, -ˌōl ]
noun
Etymology: estr ane + tri- + -ol (I)
Date: 1933
: a relatively weak natural estrogenic hormone that is a glycol C 18 H 24 O 3 found in the body chiefly as a metabolite of estradiol, is the main estrogen secreted by the placenta during pregnancy, and is the estrogen typically found in the urine of pregnant women