testosterone

[ tes-tos-tuh-rohn ]

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

  2. Pharmacology. a commercially prepared form of the sex hormone C19H28O2, 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 of testosterone

1
First recorded in 1930–35; testo- (combining form of testis) + ster(ol) + -one

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British Dictionary definitions for testosterone

testosterone

/ (tɛˈstɒstəˌrəʊn) /


noun
  1. a potent steroid hormone secreted mainly by the testes. It can be extracted from the testes of animals or synthesized and used to treat androgen deficiency or promote anabolism. Formula: C 19 H 28 O 2

Origin of testosterone

1
C20: from testis + sterol + -one

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for testosterone

testosterone

[ tĕs-tŏstə-rōn′ ]


  1. 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.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Cultural definitions for testosterone

testosterone

[ (tes-tos-tuh-rohn) ]


A male hormone that governs secondary sex characteristics. It is produced in the testes.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.