Standard Lemma guide

heliox

noun · 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.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

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

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: diving, hobbies, lifestyle, medicine, sciences, sports, underwater-diving

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

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

Across languages

Translations

3 source translations are retained for this English entry.

  • French: héliox — mixture of helium and oxygen used as a breathing gas
  • German: Heliox — mixture of helium and oxygen used as a breathing gas
  • Korean: 헬리옥스 (helliokseu) — mixture of helium and oxygen used as a breathing gas