Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Genetics Relating to or being a pair of homologous, side-by-side chromosomes, especially during meiosis; double.
  • adjective Chemistry & Immunology Divalent.

from The Century Dictionary.

  • In cytology, having double as distinguished from single (univalent) chromosomes in the oöcytes and spermatocytes, as in one of the varieties of the roundworm of the horse (Ascaris megalocephala).
  • In chem., applied to an element an atom of which can replace two atoms of hydrogen or other univalent element, or to a radical which has the same valence as a bivalent atom.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective (Chem.) Equivalent in combining or displacing power to two atoms of hydrogen; dyad.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective chemistry Having a valence of 2.
  • adjective genetics Of, or relating to a pair of homologous synapsed chromosomes that occur during meiosis.
  • noun genetics Any bivalent chromosome.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective used of homologous chromosomes associated in pairs in synapsis
  • adjective having a valence of two or having two valences

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

bi- + -valent

Examples

  • It is, in one of Sean's favorite expressions, a sport with a "bivalent" storyline, you know, where all the AM sports buffoons say stuff like "It's W's and L's, baby" and "horseshoes and hand grenades," etc.

    luck is the residue of design

  • It is, in one of Sean's favorite expressions, a sport with a "bivalent" storyline, you know, where all the AM sports buffoons say stuff like "It's W's and L's, baby" and "horseshoes and hand grenades," etc.

    through with buzz

  • Its bivalent, meaning it can run on either natural gas or gasoline, but it always starts in gasoline mode.

    WN.com - Business News

  • Its bivalent, meaning it can run on either natural gas or gasoline, but it always starts in gasoline mode.

    WN.com - Business News

  • Its bivalent, meaning it can run on either natural gas or gasoline, but it always starts in gasoline mode.

    WN.com - Business News

  • Its bivalent, meaning it can run on either natural gas or gasoline, but it always starts in gasoline mode.

    WN.com - Business News

  • The research, conducted by a team of scientists led by Giuseppe Testa, Director of the Stem Cell Epigenetics Programme at the Department of Experimental Oncology at IEO, focuses on a particular group of 'bivalent' genes that, during embryonic stem cell differentiation, are either activated or repressed, bestowing stem cells with a neuronal identity

    innovations-report

  • Cervarix is bivalent, protecting against two strains of human papillomavirus HPV that can trigger cervical cancer, but Gardasil is quadrivalent, protecting against four.

    Experts urge cervical cancer vaccine switch

  • Majority rules is the normal and obvious way of resolving bivalent “yes or no” questions.

    Matthew Yglesias » Mark Schmitt on the Filibuster

  • In practical terms many of the identifiers that Bakker offers as more relevant identifiers of fantasy ( "the use of innocence (via characterization) as a foil to some apocalyptic threat, the valorization of archaic social interrelationships, the espousal of some bivalent morality, the compositional influence [of] Tolkien") are very much about accessibility in this sense.

    The Aesthetics of Fat

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