hydrogen bond

hydrogen bond
a weak electrostatic bond formed by linking a hydrogen atom between two electronegative atoms (e.g. nitrogen or oxygen). The large number of hydrogen bonds in proteins and nucleic acids are responsible for maintaining the stable molecular structure of these compounds.

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  • hydrogen 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

  • hydrogen bond — n an electrostatic attraction between a hydrogen atom in one polar molecule (as of water) and a small electronegative atom (as of oxygen, nitrogen, or fluorine) in usu. another molecule of the same or a different polar substance hydrogen bonding… …   Medical dictionary

  • hydrogen bond — n. a weak chemical bond formed through a hydrogen atom, esp. if bridging two similar electronegative atoms or groups from two different molecules …   English World dictionary

  • hydrogen bond — hydrogen bond. См. водородная связь. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Hydrogen bond — A hydrogen bond results from a dipole dipole force between an electronegative atom and a hydrogen atom bonded to nitrogen, oxygen or fluorine (thus the name hydrogen bond , which must not be confused with a covalent bond to hydrogen). The energy… …   Wikipedia

  • hydrogen bond — vandenilinis ryšys statusas T sritis chemija apibrėžtis Ryšys tarp laisvą elektronų porą turinčio elektriškai neigiamesnio atomo ir vandenilio atomo, prijungto prie kito, elektriškai neigiamesnio atomo. atitikmenys: angl. hydrogen bond rus.… …   Chemijos terminų aiškinamasis žodynas

  • hydrogen bond — vandeniliškasis ryšys statusas T sritis fizika atitikmenys: angl. hydrogen bond vok. Wasserstoffbindung, f; Wasserstoffbrückenverbindung, f rus. водородная связь, f pranc. liaison d’hydrogène, f; liaison hydrogène, f …   Fizikos terminų žodynas

  • hydrogen bond — 1. noun A weak bond in which a hydrogen atom in one molecule is attracted to an electronegative atom (usually nitrogen or oxygen) in the same or different molecule. 2. verb …   Wiktionary

  • hydrogen bond — noun a chemical bond consisting of a hydrogen atom between two electronegative atoms (e.g., oxygen or nitrogen) with one side be a covalent bond and the other being an ionic bond (Freq. 4) • Hypernyms: ↑chemical bond, ↑bond …   Useful english dictionary

  • hydrogen bond — hy′drogen bond n. chem. an electrostatic bond between a hydrogen atom in a covalent bond and an electronegative atom, as oxygen …   From formal English to slang

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