Heliox

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A mixture of helium and oxygen used as a breathing gas. uncountable

Synonyms

All synonyms

Etymology

Blend of heli(um) + ox(ygen).

Related phrases

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