エナンチオマー

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Meanings

1

Chemistry term for one of a pair of molecules that are mirror images of each other but not superimposable.

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The enantiomer of this compound shows optical activity.

ジアステレオマー
Diastereomers are stereoisomers that are not mirror images, unlike enantiomers.
ラセミ体たい
A racemic mixture contains equal amounts of both enantiomers and is optically inactive.

Borrowed from English 'enantiomer', which derives from Greek 'enantios' (opposite) and 'meros' (part).