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Rarephon
The correct spelling is phon.
How to pronounce phon
noun
Say it like: Fon
The correct spelling is phon. (acoustics) A unit of apparent loudness, equal in number to the intensity in decibels of a 1,000-hertz tone judged to be as loud as the sound being measured.
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Definition
noun
- 1.(acoustics) A unit of apparent loudness, equal in number to the intensity in decibels of a 1,000-hertz tone judged to be as loud as the sound being measured.
Similar words
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