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

Derived Forms

• ˌtriaˈtomically, adverb

Other Words From

• tria·tomi·cal·ly adverb

Word History and Origins

Origin of triatomic¹

First recorded in 1860–65; tri- + atomic

Example Sentences

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

From Project Gutenberg

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

From Project Gutenberg