- (of a molecule) not superimposable on its mirror image.
Origin of chiral
1894; chir- < Greek cheír hand + -al1; coined by Lord Kelvin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the configuration or handedness (left or right) of an asymmetric, optically active chemical compoundAlso called: dissymmetry
C19: from Greek kheir hand + -al 1 + -ity
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for chirality
Online Etymology Dictionary, © 2010 Douglas Harper
- Of or relating to the structural characteristic of a molecule that makes it impossible to superimpose it on its mirror image.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- The characteristic of a structure (usually a molecule) that makes it impossible to superimpose it on its mirror image. Also called handedness See also helicity invariance optical isomer.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.