Heliair

//ˈhiː.liˌɛə// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A mixture of helium, nitrogen and oxygen, used as a breathing gas instead of normal air. uncountable

Synonyms

All synonyms
nitroxtrimix

Etymology

Blend of heli(um) + air.

Related phrases

breathing gas

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