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dec•i•bel



Pronunciation: (des'u-bel", -bul), Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/decibel.html on line 75 [key]
n. Physics.
1. a unit used to express the intensity of a sound wave, equal to 20 times the common logarithm of the ratio of the pressure produced by the sound wave to a reference pressure, usually 0.0002 microbar.
2. a unit of power ratio, the number of units being equal to a constant times the logarithm to the base 10 of the intensities of two sources.
3. a unit used to compare two voltages or currents, equal to 20 times the common logarithm of the ratio of the voltages or currents measured across equal resistances. Abbr.: dB, db

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/decibel.html on line 104 decibar Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/decibel.html on line 112 decidable
See also:
  • Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/decibel.html on line 123 decibel (Thesaurus)
  • Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/decibel.html on line 125 decibel (Encyclopedia)

 

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