Share this entry
testosterone Syllabification: tes·tos·ter·one
Pronunciation: /teˈstästəˌrōn/

Definition of testosterone in English:


A steroid hormone that stimulates development of male secondary sexual characteristics, produced mainly in the testes, but also in the ovaries and adrenal cortex.
Example sentences
  • Finally, the adrenal cortex produces the male sex hormone testosterone.
  • The physiological consequences of taking testosterone and human growth hormone are not yet fully known.
  • The male hormone, testosterone, also helps to keep the bones healthy.


1930s: from testis + sterone (blend of sterol and ketone).

Definition of testosterone in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove ads and access premium resources