noun
Meaning 1
An electronic device that lowers the pitch of speech, to compensate for the high-pitched speech of someone breathing in a helium atmosphere mixture (e.g. heliox or heliair), so as to be understandable to other people.
Definition source: English Wiktionary via Wiktextract
Qualifier: saturation diving
Topics: diving, engineering, hobbies, lifestyle, natural-sciences, physical-sciences, sports, technical, underwater-diving
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided