Medical Dictionary

decibel

noun deci·bel \ˈdes-ə-bəl, -ˌbel\

Medical Definition of DECIBEL

1
a :  a unit for expressing the ratio of two amounts of electric or acoustic signal power equal to 10 times the common logarithm of this ratio b :  a unit for expressing the ratio of the magnitudes of two electric voltages or currents or analogous acoustic quantities equal to 20 times the common logarithm of the voltage or current ratio
2
:  a unit for expressing the relative intensity of sounds on a scale from zero for the average least perceptible sound to about 130 for the average pain level
April 19, 2015
desiccate Hear it
to dry up or become dried up
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