decibel

Plural: decibels

Noun

• A unit used to measure the intensity of a sound.
• a logarithmic unit of sound intensity; 10 times the logarithm of the ratio of the sound intensity to some reference intensity
• 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.

Examples

• The audible gasp from his opponent registered many DECIBELs after his power play.

Synonyms

dB