testosterone.
A steroid hormone that stimulates development of male secondary sexual characteristics, produced mainly in the testes, but also in the ovaries and adrenal cortex.
Meaning & usage
A steroid hormone that stimulates development of male secondary sexual characteristics, produced mainly in the testes, but also in the ovaries and adrenal cortex.
Manly behavior, often of an aggressive or foolishly reckless nature.
Mother encouraged James to rely more on intelligence and less on testosterone to deal with the neighbor's son.
Where this word comes from
Etymology tree Latin testislbor. English test(is) Ancient Greek -ο- (-o-)der. Latin -o-bor. English -o- Proto-Indo-European *ǵʰelh₃- Proto-Hellenic *kʰolā́ Ancient Greek χολή (kholḗ) Proto-Indo-European *ster-der. Ancient Greek στερεός (stereós) French cholestérine French cholestérolbor. English cholesterol English sterol German Ketonbor. English ketone English -one English -sterone English testosterone From test(is) + -o- + -sterone (“steroid hormone”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.