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chirality

American  
[kahy-ral-i-ti] / kaɪˈræl ɪ tɪ /

noun

plural

chiralities
  1. Chemistry. the configuration of a structure (especially a molecule) that has a mirror image not identical to itself, the two images being described as right-hand and left-hand forms, which are not superposable; the quality of a figure that is chiral.


chirality British  
/ kaɪˈrælɪtɪ /

noun

  1. Also called: dissymmetry.  the configuration or handedness (left or right) of an asymmetric, optically active chemical compound

"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

chirality Scientific  
/ kī-rălĭ-tē /
  1. The characteristic of a structure (usually a molecule) that makes it impossible to superimpose it on its mirror image.

  2. Also called handedness

  3. See also helicity invariance optical isomer


Other Word Forms

  • achirality noun
  • chiral adjective

Etymology

Origin of chirality

C19: from Greek kheir hand + -al 1 + -ity

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Human hands are a simple example of chirality.

From Science Daily • Apr. 19, 2026

The study also outlines a broader design strategy for creating twisted bilayer photonic crystals with controllable optical chirality.

From Science Daily • Mar. 21, 2026

So if you were to engineer synthetic mirror image versions of these, the amino acids would have right-handed chirality and the DNA would have left-handed chirality.

From Salon • Jan. 18, 2025

As it happens, many aspects of life exhibit chirality, or “handedness.”

From Salon • Jan. 18, 2025

This gives researchers the ability to "tune" borophene to give it various properties, including chirality.

From Science Daily • May 7, 2024