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

bi·va′lence, bi·va′len·cy n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(baɪˈveɪləns; ˈbɪvə-)
(Logic) logic philosophy the semantic principle that there are exactly two truth values, so that every meaningful statement is either true or false. Compare many-valued logic
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Parameswaran, "Structure and bonding in cyclic isomers of BAl2Hnm (n = 3 - 6,m=-2 to +1): preference for planar tetracoordination, pyramidal tricoordination, and divalency," Chemistry, vol.
Role of divalency in the high-affinity binding of anticardiolipin antibody-beta 2-glycoprotein I complexes to lipid membranes.