closed-ring compound

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• ring-compound — ringˈ compound noun A chemical compound with a closed chain • • • Main Entry: ↑ring …   Useful english dictionary

• ring compound — noun : a cyclic compound containing one or more rings in the molecule * * * Chem. a compound whose structural formula contains a closed chain or ring of atoms; a cyclic compound. Cf. cyclic (def. 3). [1930 35] * * * ring compound, a compound of… …   Useful english dictionary

• ring compound — Chem. a compound whose structural formula contains a closed chain or ring of atoms; a cyclic compound. Cf. cyclic (def. 3). [1930 35] * * * …   Universalium

• ring compound — see closed chain, under chain …   Medical dictionary

• Closed chain — Chain Chain (ch[=a]n), n. [F. cha[^i]ne, fr. L. catena. Cf. {Catenate}.] 1. A series of links or rings, usually of metal, connected, or fitted into one another, used for various purposes, as of support, of restraint, of ornament, of the exertion… …   The Collaborative International Dictionary of English

• compound — 1. In chemistry, a substance formed by the covalent or electrostatic union of two or more elements, generally differing entirely in physical characteristics from any of its components. 2. In pharmacy, denoting a preparation containing several… …   Medical dictionary

• ring — 1. A circular band surrounding a wide central opening; a r. shaped or circular structure surrounding an opening or level area. SYN: anulus [TA]. 2. The closed ( i.e., endless) chain of atoms in a cyclic compound; commonly used for “cyclic” or… …   Medical dictionary

• ring — Synonyms and related words: Bund, Chinese boxing, DDD, Kekule formula, O, Rochdale cooperative, affiliation, agora, alliance, amphitheater, anklet, annular muscle, annulet, annulus, anthelion, antisun, arena, areola, armlet, armory, assemblage,… …   Moby Thesaurus

• cyclic compound — noun A closed chain or ring compound in which the ring consists of carbon atoms only (carbocyclic compound) or of carbon atoms linked with one or more other atoms (heterocyclic compound) • • • Main Entry: ↑cycle …   Useful english dictionary

• aromatic compound — benzene compound a closed chain compound in which the ring contains several double bonds; see closed chain, under chain …   Medical dictionary

• organometallic compound — ▪ chemical compound Introduction  any member of a class of substances containing at least one metal to carbon bond in which the carbon is part of an organic group. Organometallic compounds constitute a very large group of substances that have… …   Universalium