First Known Use: 1936
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
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Origin of PREGNENOLONE
International Scientific Vocabulary pregnene (C21H34) + 1-ol + -one
Medical Dictionary
pregnenolone
noun preg·nen·o·lone \preg-ˈnen-əl-ˌōn\
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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