Dictionary

pregnenolone

noun preg·nen·o·lone \preg-ˈne-nə-ˌlōn\

Definition of PREGNENOLONE

:  an unsaturated hydroxy steroid ketone C21H32O2 that is formed by the oxidation of steroids (as cholesterol) and yields progesterone on dehydrogenation

Origin of PREGNENOLONE

International Scientific Vocabulary pregnene (C21H34) + 1-ol + -one
First Known Use: 1936

pregnenolone

noun preg·nen·o·lone \preg-ˈnen-əl-ˌōn\   (Medical Dictionary)

Medical Definition of PREGNENOLONE

:  an unsaturated hydroxy steroid ketone C21H32O2 that is formed by the oxidation of steroids (as cholesterol) and yields progesterone on dehydrogenation

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