Meaning & use
testosterone
A hormone, present in higher levels in males, that influences muscle growth, bone density, and reproductive development.
See it in a sentence
Testosterone levels naturally decline in most men as they grow older each year.
The athlete was tested for banned substances that artificially raise testosterone.
A note on using this word
In Spanish, testosterone is spelled testosterona and is used in the same medical sense.
Words with a similar meaning
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