noun🔗ShareSteroid hormone produced primarily in the testes of the male; it is responsible for the development of secondary sex characteristics in the male."During puberty, testosterone causes boys to develop deeper voices and grow facial hair. "physiologymedicinebodybiochemistrysexbiologyanatomyChat with AIVocabulary GamePractice Reading
noun🔗ShareManly behavior, often of an aggressive or foolishly reckless nature."His sudden decision to quit his stable job and buy a motorcycle to travel the country seemed like a surge of testosterone. "characterattitudeChat with AIVocabulary GamePractice Reading
