testosterone

noun
tes·​tos·​ter·​one | \te-ˈstä-stə-ˌrōn \

Definition of testosterone 

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

Examples of testosterone in a Sentence

Recent Examples on the Web

There is still very much that image in documentaries and in television shows of this very macho, masculine, testosterone-driven, Indiana Jones-style character that goes out to some corner of the world. Andrew Liptak, The Verge, "How Jurassic Park led to the modernization of dinosaur paleontology," 23 June 2018 After undergoing 12 months of hormone therapy and recording low levels of testosterone, Hubbard -- who lived as Gavin Hubbard until 2014 -- was cleared to compete as a woman by the International Olympic Committee last year. Aimee Lewis, CNN, "Transgender weightlifter's historic golden bid derailed by injury," 9 Apr. 2018 Those who choose not to reduce their testosterone will be allowed to run either against men or in intersex competitions. Andrew Greif, OregonLive.com, "Shelby Houlihan wins at Prefontaine Classic while Caster Semenya dismisses talk of IAAF gender rules," 26 May 2018 On the next field, members of Russia’s suspended track and field team trained, including triple jumper Ekaterina Koneva, who was once banned for having artificially high testosterone levels. Kevin Baxter, latimes.com, "Russia's performance in World Cup — and the country's history — are raising doping suspicions," 5 July 2018 On the next field, members of Russia’s suspended track and field team trained, including the triple jumper Ekaterina Koneva, who was once banned for having artificially high testosterone levels. James Ellingworth, The Seattle Times, "Russia tries to shake off doping scandals at World Cup," 3 July 2018 On the next field, members of Russia’s suspended track and field team trained, including the triple jumper Ekaterina Koneva, who was once banned for having artificially high testosterone levels. Washington Post, "Russia tries to shake off doping scandals at World Cup," 3 July 2018 For those who got the testosterone, status consistently won out over power and quality. Melissa Healy, latimes.com, "An extra dose of testosterone increases men's preference for high-status luxury goods, study says," 4 July 2018 Baker explains that while both males and females get stressed, only the males produce testosterone. Kelly Murray, CNN, "These Aussie marsupials are having so much sex they are literally killing themselves," 15 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'testosterone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of testosterone

1935, in the meaning defined at sense 1

History and Etymology for testosterone

testis + -o- + -sterone

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Statistics for testosterone

Last Updated

22 Oct 2018

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Time Traveler for testosterone

The first known use of testosterone was in 1935

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More Definitions for testosterone

testosterone

noun

English Language Learners Definition of testosterone

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

testosterone

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

Medical Definition of testosterone 

: 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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