Definition of pregnanolone in English:

pregnanolone

noun

Biochemistry Medicine
  • A naturally occurring neuroactive steroid which is a reduced metabolite of progesterone and is used as a sedative and hypnotic, especially in general anaesthesia.

Origin

1930s; earliest use found in Chemical Abstracts. From pregnane + -ol + -one, after German Pregnanolon.

Pronunciation

pregnanolone

/prɛɡˈnanələʊn/