benzene ring
noun Date: 1877 a structural arrangement of atoms in benzene and other aromatic compounds that consists of a planar symmetrical hexagon of six carbon atoms which derives added stability from the delocalization of certain bonding electrons over the entire ring — compare meta- 4a, orth- 4b, para- 2b

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • benzene ring — n a plane symmetrical ring of six carbon atoms which is characteristic of benzene and related aromatic compounds and in which the electrons forming three conjugated double bonds are distributed over the entire ring * * * the closed hexagon of… …   Medical dictionary

  • Benzene ring — Benzene Ben zene, n. [From {Benzoin}.] (Chem.) A volatile, very inflammable liquid, {C6H6}, contained in the naphtha produced by the destructive distillation of coal, from which it is separated by fractional distillation. The name is sometimes… …   The Collaborative International Dictionary of English

  • benzene ring — n. a structural unit in the molecules of aromatic organic compounds, represented by a ring of six atoms of carbon with alternate double bonds between the carbon atoms: in the molecule of benzene six atoms of hydrogen are attached to the ring, one …   English World dictionary

  • benzene ring — benzeno žiedas statusas T sritis chemija formulė (CH)₆ atitikmenys: angl. benzene ring rus. бензольное кольцо …   Chemijos terminų aiškinamasis žodynas

  • benzene ring — /bɛnzin ˈrɪŋ/ (say benzeen ring) noun the graphic representation of the structure of benzene as a hexagon with a carbon atom at each of its points. Each carbon atom is linked to one atom of hydrogen, and the delocalised pi electron system is… …   Australian English dictionary

  • benzene ring — Chem. the graphic representation of the structure of benzene as a hexagon with a carbon atom at each of its points. Each carbon atom is united with an atom of hydrogen, one or more of which may be replaced to form benzene derivatives. Also called …   Universalium

  • benzene ring — noun a closed chain of 6 carbon atoms with hydrogen atoms attached • Syn: ↑benzene formula, ↑benzene nucleus, ↑Kekule formula • Hypernyms: ↑benzene, ↑benzine, ↑benzol …   Useful english dictionary

  • benzene ring — noun Chemistry the hexagonal unsaturated ring of six carbon atoms present in benzene and many other aromatic molecules …   English new terms dictionary

  • benzene ring — ben′zene ring n. chem. the graphic representation of the structure of benzene as a hexagon with a carbon atom at each of its points, each carbon atom united with an atom of hydrogen • Etymology: 1875–80 …   From formal English to slang

  • Benzene — Benzène Benzène Structure et représentations du benzène Général Nom IUPAC Benzène …   Wikipédia en Français

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