phon definition, phon meaning | English dictionary

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      n   a unit of loudness that measures the intensity of a sound by the number of decibels it is above a reference tone having a frequency of 1000 hertz and a root-mean-square sound pressure of 20x10--6 pascal  
     (C20: via German from Greek phone sound, voice)  

      abbrev. for  
1      (Also)    phonet   phonetics  
2    phonology  
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phon., phone, phon-, phon.

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