SONE


Meaning of SONE in English

[sone] n [ISV, fr. L sonus sound--more at sound] (1948): a subjective unit of loudness for an average listener equal to the loudness of a 1000-hertz sound that has an intensity 40 decibels above the listener's own threshold of hearing

Merriam-Webster English vocab.      Английский словарь Merriam Webster.