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testosterone

American  
[tes-tos-tuh-rohn] / tɛsˈtɒs təˌroʊn /

noun

  1. Biochemistry. the sex hormone C 19 H 28 O 2 , 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 C 19 H 28 O 2 , 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.


testosterone British  
/ 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

"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

testosterone Scientific  
/ 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: C 19 H 28 O 2 .


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


Etymology

Origin of testosterone

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Supporters of screening also say this method is more humane than requiring DSD athletes to suppress their natural testosterone levels, and will avoid the intense media scrutiny that some athletes have been exposed to.

From BBC

Differences in testosterone levels may partly explain why men generally recover faster from pain than women, according to a recent study in the journal Science Immunology.

From The Wall Street Journal

The testosterone hormone is probably what drives the increased production of that pain-resolving molecule, known as interleukin-10, the researchers found.

From The Wall Street Journal

It was led by Keira Bell, who was prescribed testosterone as a teenager.

From BBC

After taking her results back to her GP, she now receives some testosterone on the NHS, and a small top up through a private prescription.

From BBC