Decibel

Pronunciation

• GenAm IPA: /ˈdÉ›sɪbÉ›l/, /ˈdÉ›sɪbÉ™l/

Full definition of decibel

Noun

1. 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 P