Word Study
decibel
WORDNET DICTIONARY
Noun decibel has 1 sense
- decibel(n = noun.quantity) db - a logarithmic unit of sound intensity; 10 times the logarithm of the ratio of the sound intensity to some reference intensity; Array is a kind of sound unit
OXFORD DICTIONARY
decibel, n. a unit (one-tenth of a bel) used in the comparison of two power levels relating to electrical signals or sound intensities, one of the pair usually being taken as a standard.
Usage
Abbr.: dB.
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