BEL


Meaning of BEL in English

/ bel; NAmE / noun

( technical ) a measurement of sound equal to 10 decibels

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WORD ORIGIN

1920s: from the name of A. G. Bell (1847-1922), who invented the telephone and the gramophone.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.