decibel
A common measure of intensity ratio that is one tenth of a bel on the logarithmic…A common measure of intensity ratio (e.g. for sound) that is one tenth of a bel on the logarithmic intensity scale. It is defined as dB = 10 log₁₀(P₁ / P₂), where P₁ and P₂ are the relative intensities.
» The decibel scale is logarithmic.
Meaning
1 sensesA common measure of intensity ratio (e.g. for sound) that is one tenth of a bel on the logarithmic intensity scale. It is defined as dB = 10 log₁₀(P₁ / P₂), where P₁ and P₂ are the relative intensities.
Dezibel
децибе́лdecibél
a logarithmic unit of sound intensity; 10 times the logarithm of the ratio of the sound intensity to some reference intensity
Examples
1 sentencesThe decibel scale is logarithmic.
Translations
8 languagesBy meaning 1
By meaning 1
Origin
From deci- + bel.From deci- + bel.
Wiktionary, CC BY-SA 4.0 · source
Forms
plural: decibelsSynonyms
1 synonyms- a logarithmic unit of sound intensity; 10 times the logarithm of the ratio of the sound intensity to some reference intensity:dB