Standard Lemma guide

triatomic

adj · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

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Pronunciation

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1

adj

Meaning 1

Consisting of three atoms.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: chemistry, natural-sciences, physical-sciences

Examples

  • Ozone is a triatomic form of oxygen.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From tri- + atomic.

Across languages

Translations

2 source translations are retained for this English entry.

  • Finnish: kolmiatominen — consisting of three atoms
  • Hungarian: háromatomos — consisting of three atoms