testosterone

[ tes-tos-tuh-rohn ]

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

/ 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

testosterone

/ tĕs-tŏs′tə-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

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

Word History and Origins

Origin of testosterone¹

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

Word History and Origins

Origin of testosterone¹

C20: from testis + sterol + -one

Example Sentences

The military family, who rely on Tricare insurance for service members that is federally funded, consulted with doctors and eventually moved forward with hormonal treatment with testosterone.

From Los Angeles Times

This essentially makes it legal for authorities in states with gender-affirming care bans to investigate medical records for things like testosterone use without the need for a warrant.

From Salon

For example, females born in litters with many males become masculinized, likely from the high testosterone levels in the mother’s uterus.

From Salon

They also must document testosterone levels four weeks before championship selections.

From Los Angeles Times

But on the spot the two also decided to improvise as Sánchez-Vidal took their testosterone shot on the wrestling mat — a moment met with thunderous applause.

From Los Angeles Times