testosterone

Definition

A steroid hormone that stimulates development of male secondary sexual characteristics, produced mainly in the testes, but also in the ovaries and adrenal cortex.

Etymology

From test(is) + -o- + -sterone (“steroid hormone”).

Example Sentences

• "Mammalian testes contain almost no testosterone because it is sent out into the body as quickly as it is made."
• "The text recounts a 2011 experiment: Researchers tested 136 healthy young men’s testosterone levels, asked them about their political party affiliations, then gave them either a placebo or ten grams of AndroGel one percent, a high-end dose of a common form of testosterone often used in hormone replacement therapies."
• "Mother encouraged James to rely more on intelligence and less on testosterone to deal with the neighbor's son."