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Definition of Decibel

1. Noun. A logarithmic unit of sound intensity; 10 times the logarithm of the ratio of the sound intensity to some reference intensity.

Definition of Decibel

1. 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 * log₁₀(P ₁/P ₂), where P₁ and P₂ are the relative powers of the sound. ¹

¹ Source: wiktionary.com

Definition of Decibel

1. a unit of sound intensity [n -S]

Medical Definition of Decibel

1. One-tenth of a bel; unit for expressing the relative loudness of sound on a logarithmic scale. Origin: L. Decimus, tenth, + bel (05 Mar 2000)

Lexicographical Neighbors of Decibel

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