noun Biochemistry.

  1. any substance, as testosterone or androsterone, that promotes male characteristics.


  1. any of several steroids, produced as hormones by the testes or made synthetically, that promote development of male sexual organs and male secondary sexual characteristics

male sex hormone, 1936, from andro- + -gen.


  1. A steroid, such as testosterone or androsterone, that controls the development and maintenance of masculine characteristics.androgenic hormone

  1. Any of several steroid hormones, especially testosterone, that regulate the growth, development, and function of the male reproductive system. The testes are the main source of bodily androgens.
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