an·dro·gen (ān'drə-jən) n. A steroid hormone, such as testosterone or androsterone, that controls the development and maintenance of masculine characteristics. Also called androgenic hormone. an'dro·gen'ic (-jěn'ĭk) adj.
androgen an·dro·gen (ān'drə-jən) n. A steroid, such as testosterone or androsterone, that controls the development and maintenance of masculine characteristics. Also called androgenic hormone, testoid.