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/ˈdɛsɪbɛl/ · noun
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..
Use decibel when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Decibel means 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..
Common synonyms include db.
The opposite depends on the specific sense.
Use decibel where its definition matches the intended context.
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