estradiol
Pronunciation:
/ˌiːstɹəˈdaɪɒl//ˌɛstɹəˈdaɪɔl/noun
Definitions
A potent estrogenic hormone ((17)-estra-1,3,5-triene-3,17-diol) produced in the ovaries of all vertebrates; the synthetic compound is used medicinally to treat estrogen deficiency and breast cancer.