benzene ring

benzene ring
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 benzene nucleus. Cf. cyclohexane, Kekulé's formula, meta2, ortho, para3.
[1875-80]

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Universalium. 2010.

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  • 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

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  • 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… …  

  • 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 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… …   New Collegiate 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

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

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