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Medical Term:

enantiomerism

Pronunciation: en-an'te-om'er-izm

Definition: chemistry isomerism in which the molecules in their configuration are related to one another like an object and its mirror image (enantiomers) and, consequently, are not superimposable; enantiomerism entails optical activity, both enantiomers (in identical amounts) rotating the plane of polarized light equally, but in opposite directions.

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