bi-bivalent

bi-bivalent
/buy'buy vay"leuhnt, buy biv"euh-/, adj. Chem.
noting an electrolytic compound which splits into two ions, each with a valence of two.
[BI-1 + BIVALENT]

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  • bivalent — bivalent, ente [ bivalɑ̃, ɑ̃t ] adj. • 1866; de bi et valent 1 ♦ Chim. Qui a la valence 2. Molécule bivalente (on dit aussidivalent, ente). 2 ♦ Log. Logique bivalente, qui ne considère que deux valeurs de vérité, le vrai et le faux. 3 ♦ Fam. Qui… …   Encyclopédie Universelle

  • bivalent — BIVALÉNT, Ă, bivalenţi, te, adj. (Despre un element sau un radical chimic) Care are valenţa doi. – Din fr. bivalent. Trimis de paula, 21.06.2002. Sursa: DEX 98  BIVALÉNT adj. (chim.) divalent. Trimis de siveco, 05.08.2004. Sursa: Sinonime … …   Dicționar Român

  • Bivalent — may refer to: *Bivalent (chemistry), a molecule formed from two or more atoms bound together as a single unitmolecule *Bivalent (engine), an engine that can use petroleum and renewable energy *Bivalent (genetics), a pair of homologous chromosomes …   Wikipedia

  • Bivalent chromatin — is chromatin that contains both activating and repressing epigenetic modifications in the same area. Activating chromatin modifications increase the accessibility of the chromatin to RNA polymerase, where repressing modifications decrease the… …   Wikipedia

  • Bivalent (chemistry) — Bivalent (chemistry): two or more atoms bound together as a single unit and forming part of a moleculeAn atom which can form two covalent bonds with other molecules (such as oxygen) is said to be bivalent, possessing a valency of two. See also *… …   Wikipedia

  • Bivalent — ist eine aus Chromosomen gebildete Struktur während der Meiose, siehe Bivalent (Meiose) Siehe auch: Bivalenz Diese Seite ist eine Begriffsklärung zur Unterscheidung mehrerer mit demselben Wort bezeichneter Begri …   Deutsch Wikipedia

  • Bivalent sexuel — ● Bivalent sexuel bivalent particulier formé chez l homme par l accolement bout à bout des chromosomes X et Y …   Encyclopédie Universelle

  • Bivalent — Biv a*lent, a. [L. bis twice + valens, p. pr. See {Valence}.] (Chem.) Equivalent in combining or displacing power to two atoms of hydrogen; dyad. [1913 Webster] …   The Collaborative International Dictionary of English

  • bivalent — bivalent. См. бивалент. (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.

  • bivalent dissociation — bivalent dissociation. См. диссоциация бивалента. (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.

  • Bivalént — (neulat.), zweiwertig …   Kleines Konversations-Lexikon

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