testosterone - Definitions from Dictionary.com

6 results for: testosterone

Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

tes·tos·ter·one

Audio Help [tes-tos-tuh-rohn] Pronunciation Key

–noun

1.	Biochemistry. the sex hormone, C₁₉H₂₈O₂, secreted by the testes, that stimulates the development of male sex organs, secondary sexual traits, and sperm.

2.	Pharmacology. a commercially prepared form of this compound, originally isolated from bull's testes and now also produced synthetically, used in medicine chiefly for treatment of testosterone deficiency and for certain gynecological conditions.

[Origin: 1930–35; testo- (comb. form of testis) + ster(ol) + -one

]

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

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testosterone

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American Heritage Dictionary - Cite This Source - Share This

tes·tos·ter·one Audio Help (těs-tŏs'tə-rōn') Pronunciation Key
n. A white crystalline steroid hormone, C₁₉H₂₈O₂, produced primarily in the testes and responsible for the development and maintenance of male secondary sex characteristics. It is also produced synthetically for use in medical treatment.

[test(is) + ster(ol) + -one.]

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Online Etymology Dictionary - Cite This Source - Share This
testosterone

male sex hormone, 1935, from Ger. Testosteron (1935), coined from L. testis "testicle" (see testis) + ster(ol) (see steroid) + chemical ending -one.

WordNet - Cite This Source - Share This

testosterone
noun
a potent androgenic hormone produced chiefly by the testes; responsible for the development of male secondary sex characteristics

The American Heritage Science Dictionary - Cite This Source - Share This

testosterone Audio Help (těs-tŏs'tə-rōn') Pronunciation Key
A steroid hormone that is the most potent naturally occurring androgen and that regulates the development of the male reproductive system and male secondary sex characteristics. Testosterone is produced mainly in the testes and is also used as a drug in the treatment of certain medical disorders. Chemical formula: C₁₉H₂₈O₂.