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triatomic

[trahy-uh-tom-ik] /ˌtraɪ əˈtɒm ɪk/
adjective, Chemistry.
1.
having three atoms in a molecule.
2.
having three replaceable hydrogen atoms.
3.
having three replaceable hydroxyl groups.
Origin of triatomic
1860-1865
First recorded in 1860-65; tri- + atomic
Related forms
triatomically, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for triatomic

triatomic

/ˌtraɪəˈtɒmɪk/
adjective
1.
(chem) having three atoms in the molecule
Derived Forms
triatomically, 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
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