Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
deceiving
decelerate
December
Decembrist
decemvir
decemvirate
decency
decennary
decennia
decennial
decennium
decent
decently
decentralize
deception
Deception Bay
deceptive
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

decibel

de·ci·bel [ déssəb'l, déssə bèl ] (plural de·ci·bels)


noun 
Definition:
 
unit of relative loudness: a unit of relative loudness, electric voltage, or current equal to ten times the common logarithm of the ratio of two readings. For sound, the decibel scale runs from zero for the least perceptible sound to 130 for sound that causes pain.
Symbol  dB


Advertisement

© 2009 Microsoft