double bond
noun Date: 1889 a chemical bond in which two pairs of electrons are shared by two atoms in a moleculecompare single bond, triple bond

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • double bond — Bond Bond (b[o^]nd), n. [The same word as band. Cf. {Band}, {Bend}.] 1. That which binds, ties, fastens, or confines, or by which anything is fastened or bound, as a cord, chain, etc.; a band; a ligament; a shackle or a manacle. [1913 Webster]… …   The Collaborative International Dictionary of English

  • double bond — n a chemical bond in which two pairs of electrons are shared by two atoms in a molecule and which is usu. represented in chemical formulas by two lines (as in the formula for ethylene H2C=CH2) compare TRIPLE BOND see UNSATURATED (b) …   Medical dictionary

  • double bond — n. Chem. the sharing of two pairs of electrons between two atoms, usually represented in structural formulas by dots or dashes, as C:C or C=C …   English World dictionary

  • Double bond — A double bond in chemistry is a chemical bond between two chemical elements involving four bonding electrons instead of the usual two. The most common double bond, that between two carbon atoms, can be found in alkenes. Many types of double bonds …   Wikipedia

  • double bond — UK / US noun [countable] Word forms double bond : singular double bond plural double bonds chemistry a chemical bond in which two atoms share two pairs of electrons …   English dictionary

  • double bond — dvigubasis ryšys statusas T sritis chemija apibrėžtis Du kovalentiniai ryšiai tarp dviejų atomų. atitikmenys: angl. double bond; ethylene bond rus. двойная связь; этиленовая связь ryšiai: sinonimas – dvilypis ryšys sinonimas – etileninis ryšys …   Chemijos terminų aiškinamasis žodynas

  • double bond — dvilypis ryšys statusas T sritis fizika atitikmenys: angl. double bond vok. Doppelbindung, f rus. двойная связь, f pranc. liaison double, f …   Fizikos terminų žodynas

  • double bond — noun a covalent bond in which two pairs of electrons are shared between two atoms • Hypernyms: ↑covalent bond * * * noun, pl ⋯ bonds [count] technical : a chemical bond in which two atoms in a molecule share two pairs of electrons compare ↑single …   Useful english dictionary

  • double bond — A bond providing a penalty for its nonfulfillment, as distinguished from a single bond which carries no penalty …   Ballentine's law dictionary

  • double bond — noun A covalent bond in which two electron pairs (instead of the usual one) are shared between two atoms; most common between carbon atoms and carbon, oxygen or nitrogen atoms, but several other forms are known …   Wiktionary

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