testosterone

• (Received Pronunciation) IPA^(key): /tɛsˈtɒstəˌɹəʊn/
• (General American) IPA^(key): /tɛsˈtɒstəˌɹoʊn/

testosterone (countable and uncountable, plural testosterones)

1. (biochemistry, steroids) Steroid hormone produced primarily in the testes of the male; it is responsible for the development of secondary sex characteristics in the male.
2. (figuratively) Manly behavior, often of an aggressive or foolishly reckless nature.

   Mother encouraged James to rely more on intelligence and less on testosterone to deal with the neighbor's son.

• dihydroxytestosterone

testosterone m (plural testosteroni)

1. (biochemistry, steroids) testosterone