• synonyms


[te-truh-vey-luh nt, te-trav-uh-]
adjective Chemistry.
  1. having a valence of four, as Pt+4.
  2. quadrivalent.
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Origin of tetravalent

First recorded in 1865–70; tetra- + -valent
Related formstet·ra·va·lence, tet·ra·va·len·cy, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for tetravalent

Historical Examples

  • Similarly, we have trivalent, tetravalent, pentavalent elements.

    An Elementary Study of Chemistry

    William McPherson

  • A tetravalent atom, such as that of Carbon, can combine with four monovalent atoms.

British Dictionary definitions for tetravalent


adjective chem
  1. having a valency of four
  2. Also: quadrivalent having four valencies
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Derived Formstetravalency, 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

tetravalent in Medicine


  1. Having a valence of four; quadrivalent.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.