| enantiomer | <chemistry> A pair of chiral isomers (stereoisomers) that are direct, nonsuperimposable mirror images of each other. (09 Jan 1998) |
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| enantiomeric | Pertaining to enantiomerism. (05 Mar 2000) |
| enantiomerism | In 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 rotating the plane of polarised light equally, but in opposite directions. (05 Mar 2000) |