- having three atoms in a molecule.
- having three replaceable hydrogen atoms.
- having three replaceable hydroxyl groups.
Origin of triatomic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for triatomic
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.
- chem having three atoms in the molecule