triatomic

[ trahy-uh-tom-ik ]

/ ˌtraɪ əˈtɒm ɪk /

adjective Chemistry.

having three atoms in a molecule.

having three replaceable hydrogen atoms.

having three replaceable hydroxyl groups.

Words nearby triatomic

triassic, triathlete, triathlon, triatic stay, triatoma, triatomic, triaxial, triazine, triazoic, triazolam, triazole

Origin of triatomic

First recorded in 1860–65; tri- + atomic

OTHER WORDS FROM triatomic

tri·a·tom·i·cal·ly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for triatomic

Triatomic, trī-a-tom′ik, adj. consisting of three atoms: trivalent.
Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements)|Various
The corresponding group consists of nitrogen, vanadium and niobium; they are triatomic, paramagnetic, and negative.
Occult Chemistry|Annie Besant and Charles W. Leadbeater

British Dictionary definitions for triatomic

triatomic

/ (ˌtraɪəˈtɒmɪk) /

adjective

chem having three atoms in the molecule

Derived forms of triatomic

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