• synonyms


[trahy-vey-luh nt, triv-uh-luh nt]
  1. Chemistry. having a valence of three.
  2. Immunology. having three binding sites, as certain antigens.
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Origin of trivalent

1865–70; tri- + valent
Related formstri·va·lence, tri·va·len·cy, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for trivalent


adjective chem
  1. having a valency of three
  2. having three valencies
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Also: tervalent
Derived Formstrivalency, 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

trivalent in Medicine


  1. Having valence 3.
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Related formstri•valence null n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

trivalent in Science


  1. Chemistry Having a valence of 3.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.