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Meaning of ammoniaphone | Babel Free

Noun CEFR C1

Definitions

A 19th-century device for inhaling hydrogen peroxide and free ammonia, believed at that time to improve the quality of the singing and speaking voice.

historical

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.

See also

ammoniaporin Ammonias ammoniate ammoniation ammonid ammonification

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