Meaning of “decibel” in the English Dictionary

british dictionary

(Definition of “decibel” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"decibel" in American English

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decibelnoun [ C ]

us /ˈdes·əˌbel, -bəl/

a unit for measuring the loudness of sound

(Definition of “decibel” from the Cambridge Academic Content Dictionary © Cambridge University Press)