Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. See enantiomorph.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. One of a pair of stereoisomers that is the mirror image of the other, but may not be superimposed on this other stereoisomer. Almost always, a pair of enantiomers contain at least one chiral center, and a sample of either enantiomer will be optically active.

from the GNU version of the Collaborative International Dictionary of English

  • n. either of a pair of optical isomers of a chemical substance whose molecules are mirror images of each other, i. e., are related to each other as a right-handed to a left-handed glove; -- meaningful only for structures which have internal asymmetry.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. either one of a pair of compounds (crystals or molecules) that are mirror images on each other but are not identical

Etymologies

Greek enantios, opposite; see ant- in Indo-European roots + -mer(e).
(American Heritage® Dictionary of the English Language, Fourth Edition)
enantio- + -mer (Wiktionary)

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