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triatomic

[trahy-uh-tom-ik]
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adjective Chemistry.
  1. having three atoms in a molecule.
  2. having three replaceable hydrogen atoms.
  3. having three replaceable hydroxyl groups.
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Origin of triatomic

First recorded in 1860–65; tri- + atomic
Related formstri·a·tom·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for triatomic

Historical Examples

  • The corresponding group consists of nitrogen, vanadium and niobium; they are triatomic, paramagnetic, and negative.

    Occult Chemistry

    Annie Besant and Charles W. Leadbeater

  • Triatomic, trī-a-tom′ik, adj. consisting of three atoms: trivalent.

British Dictionary definitions for triatomic

triatomic

adjective
  1. chem having three atoms in the molecule
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Derived Formstriatomically, adverb
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