- chiral
- adjective Etymology: chir- + 1-al Date: 1894 of or relating to a molecule that is not superimposable on its mirror image • chirality noun
New Collegiate Dictionary. 2001.
chiral
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chiral — chiral, ale, aux [ kiral, o ] adj. • 1970; angl. chiral (1894), du gr. kheir « main » → chir(o) ♦ Sc. Se dit d un objet qui n est pas superposable à son image dans un miroir plan. Deux molécules chirales sont l image l une de l autre. ● chiral,… … Encyclopédie Universelle
chiral — 1894, coined by Lord Kelvin from Latinized comb. form of Gk. kheir hand (from PIE *ghes hand ) + AL (Cf. al) (1) … Etymology dictionary
chiral — [kī′rəl] adj. [ CHIR(O) + AL] Chem. designating or of an asymmetrical form, as a molecule, that cannot be superimposed on its mirror image chirality [kī ral′ə tē] n … English World dictionary
Chiral — Chiralité Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom … Wikipédia en Français
Chiral — In der Chemie bezeichnet die Chiralität (griechisches Kunstwort, die Händigkeit, abgeleitet vom Wortstamm χειρ , ch[e]ir hand ), in der Kristallographie auch Enantiomorphie genannt, die räumliche Anordnung von Atomen, bei denen bestimmte… … Deutsch Wikipedia
chiral — chi•ral [[t]ˈkaɪ rəl[/t]] adj. chem. not able to be superimposed on its mirror image: chiral molecules[/ex] • Etymology: 1894; chir < Gk cheír hand + al I; coined by Lord Kelvin chi•ral′i•ty, n … From formal English to slang
Chiral resolution — in stereochemistry is a process for the separation of racemic compounds into their enantiomers.[1] It is an important tool in the production of optically active drugs. Other terms with the same meaning are optical resolution and mechanical… … Wikipedia
Chiral Photonics — Chiral Photonics, Inc. is a photonics company based in Pine Brook, New Jersey, founded in 1999. The company is developing a new class of optical devices based on twisting glass optical fibers. These in fiber devices aim to displace discrete… … Wikipedia
Chiral column chromatography — is a variant of column chromatography in which the stationary phase contains a single enantiomer of a chiral compound rather than being achiral. The two enantiomers of the same analyte compound differ in affinity to the single enantiomer… … Wikipedia
Chiral Lewis acid — Chiral Lewis acids (CLAs) are a novel class of Lewis acid catalyst used in enantioselective asymmetric synthesis reactions which produce optically active products from optically inactive or impure starting materials. This type of preferential… … Wikipedia
Chiral pool synthesis — is a strategy that aims to improve the efficiency of chiral synthesis. It starts the organic synthesis of a complex enantiopure chemical compound from a stock of readily available enantiopure substances. Common chiral starting materials include… … Wikipedia
