Definition of decibel Decibel

/dɛˈsʌbɛˌl/ - [desubel] - dec•i•bel

We found 5 definitions of decibel from 5 different sources.

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What does decibel mean?

WordNet

WordNet by Princeton University

Noun

Plural: decibels

decibel - a logarithmic unit of sound intensity; 10 times the logarithm of the ratio of the sound intensity to some reference intensity
  dB
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Wiktionary Wiktionary dictionary logo

  • decibel (Noun)
    A common measure of sound intensity that is one tenth of a bel on the logarithmic intensity scale. It is defined as dB = 10 * log10P 1/P 2, where P1 and P2 are the relative powers of the sound.

OmegaWiki DictionaryOmegaWiki Dictionary Ω

  • decibel
    A unit used to express relative difference on power, usually between acoustic or electric signals, equal to ten times the common logarithm of the ratio of the two level.

Wikipedia Wiktionary dictionary logo

  • A decibel or dB measures power or intensity. Most often, it is used to say how loud a sound is. At the moment, the decibel is not an SI unit.

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Sign Language

decibel in sign language
Sign language - letter D Sign language - letter D Sign language - letter E Sign language - letter E Sign language - letter C Sign language - letter C Sign language - letter I Sign language - letter I Sign language - letter B Sign language - letter B Sign language - letter E Sign language - letter E Sign language - letter L Sign language - letter L

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