Definition of dihydrotestosterone in English:

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Pronunciation: /dʌɪˌhʌɪdrəʊtɛsˈtɒstərəʊn/


[mass noun] Biochemistry
A male sex hormone which is the active form of testosterone, formed from testosterone in bodily tissue.
Example sentences
  • It also turns the hormone testosterone into dihydrotestosterone, which effects male sexual characteristics.
  • These receptors attract the male hormone, dihydrotestosterone, which flows in the blood stream and as a result starts the hair-loss process.
  • In the male some tissues are responsive to dihydrotestosterone rather than testosterone itself, and so a deficiency of the enzyme catalyzing this conversion produces the appearance of testosterone deficiency.


1950s: from dihydro- (in the sense 'containing two hydrogen atoms in the molecule') + testosterone.

For editors and proofreaders

Line breaks: di|hydro|tes¦tos¦ter|one

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