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dec·i·bel

decibel

 
pronunciation:
de sih bel [or] de sih bl
features:
Word Explorer, Word Parts
part of speech: noun
definition: a unit used to measure the loudness of sound. (abbreviated: dB)
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  measurement, music
Word Parts  About this feature
The word decibel contains the following part:
deca, dec, deci, deka Greek root that means ten, tenth