• synonyms


[dahy-vey-luh nt]
adjective Chemistry.
  1. having a valence of two, as the ferrous ion, Fe++.
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Origin of divalent

First recorded in 1865–70; di-1 + -valent
Related formsdi·va·lence, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for divalent

Historical Examples

  • Thus hydrochloric acid is better than sulphuric, on account of the stabilizing effect of the divalent SO4— ion on a negative sol.

    Animal Proteins

    Hugh Garner Bennett

  • Univalent hydrogen and divalent oxygen will then have the symbols H- and -O-.

  • In the divalent oxygen we meet with the modification called ozone, which, although unstable, changes but slowly into oxygen.

  • A divalent element, on the other hand, will combine with two atoms of a univalent element.

  • Silver acts as a univalent element and calcium as a divalent element in the formation of their respective nitrates and chlorides.

British Dictionary definitions for divalent


adjective chem
  1. having a valency of two
  2. having two valencies
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Abbreviation: bivalent
Derived Formsdivalency, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

divalent in Medicine


  1. Bivalent.
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Related formsdi•valence null n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.