Definition of pregnane in English:

pregnane

noun ˈprɛɡneɪn

Chemistry

A tetracyclic saturated hydrocarbon, C₂₁H₃₆, which has two stereoisomeric forms and whose molecule is the framework of those of a group of steroids, including progesterone and pregnanediol; specifically the 5β-isomer.

Origin

1930s; earliest use found in Annual Reports Progress Chemistry. From German Pregnan from Pregnan- (in Pregnandiol), with ending probably reanalysed as -an.

Definition of pregnane in US English:

pregnane

nounˈprɛɡneɪn

Chemistry

A tetracyclic saturated hydrocarbon, C₂₁H₃₆, which has two stereoisomeric forms and whose molecule is the framework of those of a group of steroids, including progesterone and pregnanediol; specifically the 5β-isomer.

Origin

1930s; earliest use found in Annual Reports Progress Chemistry. From German Pregnan from Pregnan- (in Pregnandiol), with ending probably reanalysed as -an.

词汇	pregnane
释义	Definition of pregnane in English: pregnane noun ˈprɛɡneɪn Chemistry A tetracyclic saturated hydrocarbon, C₂₁H₃₆, which has two stereoisomeric forms and whose molecule is the framework of those of a group of steroids, including progesterone and pregnanediol; specifically the 5β-isomer. Origin 1930s; earliest use found in Annual Reports Progress Chemistry. From German Pregnan from Pregnan- (in Pregnandiol), with ending probably reanalysed as -an. Definition of pregnane in US English: pregnane nounˈprɛɡneɪn Chemistry A tetracyclic saturated hydrocarbon, C₂₁H₃₆, which has two stereoisomeric forms and whose molecule is the framework of those of a group of steroids, including progesterone and pregnanediol; specifically the 5β-isomer. Origin 1930s; earliest use found in Annual Reports Progress Chemistry. From German Pregnan from Pregnan- (in Pregnandiol), with ending probably reanalysed as -an.
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