Trimix

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A mixture of helium, nitrogen, and oxygen used in deep diving as a breathing gas instead of air. countable, uncountable

Synonyms

All synonyms
heliairhelioxnitrox

Etymology

From tri- + mix.

Related phrases

breathing gas

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.