(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. 2019
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.