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triatomic

[ trahy-uh-tom-ik ]

adjective

, Chemistry.
  1. having three atoms in a molecule.
  2. having three replaceable hydrogen atoms.
  3. having three replaceable hydroxyl groups.


triatomic

/ ˌtraɪəˈtɒmɪk /

adjective

  1. chem having three atoms in the molecule
“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


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Derived Forms

  • ˌtriaˈtomically, adverb
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Other Words From

  • tria·tomi·cal·ly adverb
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Word History and Origins

Origin of triatomic1

First recorded in 1860–65; tri- + atomic
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Example Sentences

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

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

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