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For the manga by Satoshi Urushihara, see Chirality (manga).

Chirality, handedness, derived from the Greek χειρ, kheir, "hand" is an asymmetry property important in several branches of science. An object or a system is called chiral if it differs from its mirror image, and its mirror image cannot superimpose on the original object. A chiral object and its mirror image are called enantiomorphs (Greek opposite forms) or, when referring to molecules, enantiomers. A non-chiral object is called achiral (sometimes also amphichiral) and can be superimposed on its mirror image. Wikipedia does not have an article with this exact name. ... Wiktionary (a portmanteau of wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 150 languages. ... Satoshi Urushihara (うるし原 智志 Urusihara Satoshi born 9 February 1966 in Hiroshima prefecture) is one of the iconic figures of manga, often known by his distinctive style of featuresque and beautiful characters. ... Chirality is a 4-volume manga series created and illustrated by author Satoshi Urushihara. ... A mirror image is a mirror based duplicate of a single image. ... Superimposition is a graphics term meaning the placement of an image or video on top of an already-existing image or video, usually to add to the overall image effect, but also sometimes to conceal something (such as when a different face is superimposed over the original face in a... In chemistry two stereoisomers are said to be enantiomers if one can be superimposed on the mirror image of the other, and vice versa. ...

Chirality may also refer to:

• Chirality (chemistry) of some molecules
• Chirality (mathematics) of mathematical objects
• Chirality (physics) of some subatomic particles
• The chirality of certain crystalline solids. Of the 230 existing space groups 65 are chiral. Sodium chlorate is an achiral ionic compound but crystallizes in a chiral P2₁3 space group. An example of an achiral organic compound forming chiral crystals is benzil. Racemic acid is the racemic form of tartaric acid forming a mixture of two enantiomorphic crystals each form consisting of one of the two enantiomers.
• The chirality of surfaces. Materials with bulk chirality can be cleaved exposing a chiral surface.
• The chirality of supermarkets. This informal usage, increasingly common on Usenet, refers to the relative placing of the entrance and the tills.

The term chiral (pronounced ) is used to describe an object which is non-superimposable on its mirror image. ... In geometry, a figure is chiral (and said to have chirality) if it is not identical to its mirror image, or more particularly if it cannot be mapped to its mirror image by rotations and translations alone. ... A phenomenon is said to be chiral if it is not identical to its mirror image (see Chirality (mathematics)). The spin of a particle may be used to define a handedness for that particle. ... The space group of a crystal is a mathematical description of the symmetry inherent in the structure. ... Sodium chlorate (NaClO3) is an oxidizing agent. ... Category: ... Racemic acid is an optically inactive form of tartaric acid. ... Supermarket produce section A supermarket is a store that sells a wide variety of goods including food and alcohol, medicine, clothes, and other household products that are consumed regularly. ... Usenet (USEr NETwork) is a global, decentralized, distributed Internet discussion system that evolved from a general purpose UUCP architecture of the same name. ...

See also

• Handedness
• Rigid body
• Symmetry

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