Definition of pregnenolone in English:

pregnenolone

noun prɛɡˈniːnələʊn

Biochemistry Medicine

A naturally occurring neuroactive steroid which is a precursor of progesterone and other steroid hormones and has been used an anti-inflammatory agent; 3β-hydroxypregn-5-en-20-one, C₂₁H₃₂O₂.

Origin

1930s; earliest use found in Chemical Abstracts. From pregn- + -ene + -ol + -one, after German Pregnenolon.

Definition of pregnenolone in US English:

pregnenolone

nounprɛɡˈniːnələʊn

Biochemistry Medicine

A naturally occurring neuroactive steroid which is a precursor of progesterone and other steroid hormones and has been used an anti-inflammatory agent; 3β-hydroxypregn-5-en-20-one, C₂₁H₃₂O₂.

Origin

1930s; earliest use found in Chemical Abstracts. From pregn- + -ene + -ol + -one, after German Pregnenolon.

单词	pregnenolone
释义	Definition of pregnenolone in English: pregnenolone noun prɛɡˈniːnələʊn Biochemistry Medicine A naturally occurring neuroactive steroid which is a precursor of progesterone and other steroid hormones and has been used an anti-inflammatory agent; 3β-hydroxypregn-5-en-20-one, C₂₁H₃₂O₂. Origin 1930s; earliest use found in Chemical Abstracts. From pregn- + -ene + -ol + -one, after German Pregnenolon. Definition of pregnenolone in US English: pregnenolone nounprɛɡˈniːnələʊn Biochemistry Medicine A naturally occurring neuroactive steroid which is a precursor of progesterone and other steroid hormones and has been used an anti-inflammatory agent; 3β-hydroxypregn-5-en-20-one, C₂₁H₃₂O₂. Origin 1930s; earliest use found in Chemical Abstracts. From pregn- + -ene + -ol + -one, after German Pregnenolon.
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