any of several female sex hormones or synthetic compounds that cause estrus
Origin of estrogen; from estrus + -gen
- Any of several steroid hormones produced primarily by the ovaries that stimulate the development and maintenance of female secondary sex characteristics, exert systemic effects such as the growth and maturation of long bones, promote estrus in many female mammals, and are used as a drug primarily to treat estrogen deficiency.
- Any of several synthetic compounds that mimic the physiologic activity of estrogen, used primarily in oral contraceptives.
Origin of estrogenestr(us) + –gen.
From estrus + -gen (“a producer of”)