benzene nucleus — noun a closed chain of 6 carbon atoms with hydrogen atoms attached • Syn: ↑benzene formula, ↑benzene ring, ↑Kekule formula • Hypernyms: ↑benzene, ↑benzine, ↑benzol * * * noun see … Useful english dictionary
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 applied… … The Collaborative International Dictionary of English
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 — 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 formula — noun a closed chain of 6 carbon atoms with hydrogen atoms attached • Syn: ↑benzene ring, ↑benzene nucleus, ↑Kekule formula • Hypernyms: ↑benzene, ↑benzine, ↑benzol … Useful english dictionary
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 — /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… …
nucleus — [no͞o′klē əs, nyo͞o′klē əs] n. pl. nuclei [no͞o′klēī΄, nyo͞o′klēī΄] or nucleuses [ModL < L, a nut, kernel, for nuculeus, dim. < nux (gen. nucis), NUT] 1. a thing or part forming the center around which other things or parts are grouped or… … English World dictionary
Nucleus — 1) In cell biology, the structure that houses the chromosomes. 2) In neuroanatomy, a group of nerve cells. * * * 1. In cytology, typically a rounded or oval mass of protoplasm within the cytoplasm of a plant or animal cell; it is surrounded by a… … Medical dictionary
