Definition of testosterone in English:

testosterone

Syllabification: tes·tos·ter·one
Pronunciation: /teˈstästəˌrōn
 
/

noun

  • A steroid hormone that stimulates development of male secondary sexual characteristics, produced mainly in the testes, but also in the ovaries and adrenal cortex.
    More 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.

Origin

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

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