testosterone

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noun tes·tos·ter·one \tes-ˈtäs-tə-ˌrōn\

Definition of testosterone

  1. 1 :  a hormone that is a hydroxy steroid ketone C19H28O2 produced especially by the testes or made synthetically and that is responsible for inducing and maintaining male secondary sex characters

  2. 2 :  qualities (such as brawn and aggressiveness) usually associated with males :  manliness

Recent Examples of testosterone from the Web

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Origin and Etymology of testosterone

testis + -o- + -sterone

Other Physiology Terms


TESTOSTERONE Defined for English Language Learners

testosterone

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noun

Definition of testosterone for English Language Learners

  • medical : a substance (called a hormone) that occurs naturally in men and male animals

  • : qualities (such as noticeable strength and aggressiveness) that agree with traditional ideas about what men are like


Medical Dictionary

testosterone

play
noun tes·tos·ter·one \te-ˈstäs-tə-ˌrōn\

Medical Definition of testosterone

  1. :  a male hormone that is a crystalline hydroxy steroid ketone C19H28O2 produced primarily by the testes or made synthetically and that is the main androgen responsible for inducing and maintaining male secondary sex characteristics—see androgel, axiron



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