Meaning of ammoniaphone | Babel Free
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.
CEFR level
C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
This word is part of the CEFR C1 vocabulary — advanced level.
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