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Either of a pair of molecules that are mirror images but cannot be superimposed on each other, and that rotate the plane of polarized light by an equal amount in opposite directions. Also called enantiomorph, optical isomer.

[Greek enantios, opposite; see ant- in Indo-European roots + -mer, isomer.]

en·an′ti·o·mer′ic (-mĕr′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Chemistry) relating to enantiomers
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
It was concluded therefore, that PLB could not attack the sn-2 ester linkage of unnatural enantiomeric PC but attacked the sn-3 ester linkage non-stereospecifically.
EQO is a chiral molecule existing as both R and S enantiomeric forms.
The enantiomeric excess (ee) was determinated by GC using a GC Varian 3800 with chiral adsorbent Astec Chiraldex B-PM.
Activity assays for a number of classes of primarily hydrolytic enzymes are covered including hydrolases, lipolytic enzymes, proteases, and enantiomeric selective hydrolases.
Currently, synthetic routes to synthesize the unnatural analogs of the [alpha]-amino acids easily, inexpensively, and with sufficient enantiomeric yields does not exist.
Beetle pheromone chemistry is somewhat unusual as compared to other insects, in that enantiomeric composition may play a critical role in defining the activity of the pheromone.
The chiral derivatization reagent R-(-)-[alpha]-methoxy -[alpha]-(trifluoromethyl)-phenylacetyl chloride [(R)-MTPCl] (ChiraSelect grade, 99% purity, 99.5: 0.5 enantiomeric ratio) was obtained from Sigma-Aldrich (St.
Sorption and binding ability was studied along with the permeation selectivity of underivatized enantiomeric solution of Phe using Ultrafiltration experiments.
PLA's crystalline properties are governed by its enantiomeric composition characterized by its L:D ratio.
In vitro antiviral activity of three enantiomeric sesquiterpene lactones from Senecio species against hepatitis B virus.
The enantiomeric determination of D-2-hydroxyglutarate (D-2-HG) [1] and L-2-hydroxyglutarate (L-2-HG) is the only reliable test for the differential diagnosis of D-2-hydroxyglutaric aciduria (D-2-HGA), L-2-hydroxyglutaric aciduria (L-2-HGA), and the combined D/L-2-hydroxyglutaric aciduria (D/L-2-HGA).