Simple 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
Full Definition of testosterone
Origin of testosterone
testis + -o- + -sterone
First Known Use: 1935
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
Learn More about testosterone
Medical Dictionary: Definition of "testosterone" Nglish: Translation of "testosterone" for Spanish speakers Britannica English: Translation of "testosterone" for Arabic speakers Britannica.com: Encyclopedia article about "testosterone"
Seen and Heard
What made you want to look up testosterone? Please tell us where you read or heard it (including the quote, if possible).