Contents

English

Noun

Singular decibel

Plural decibels

decibel (plural decibels)

  1. a common measure of sound intensity that is 1 tenth of a bel on the logarithmic intensity scale. It is defined as dB = 10 * log10(P 1/P 2), where P1 and P2 are the relative powers of the sound.

Italian

Etymology

English deci- +‎ bel

Noun

decibel m. inv.

  1. decibel

 

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