ALL meanings of antiestrogen
es·tro·gen
A a - noun antiestrogen any of several major female sex hormones produced primarily by the ovarian follicles of female mammals, capable of inducing estrus, developing and maintaining secondary female sex characteristics, and preparing the uterus for the reception of a fertilized egg: used, especially in synthetic form, as a component of oral contraceptives, in certain cancer treatments, and in other therapies. 1
- noun antiestrogen (pharmacology) A substance that blocks the production or utilization of estrogens, or inhibits their effects. 0