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decibel

C2 noun

decibel /ˈdɛsɪbɛl/ nghĩa là đềxiben

Các nghĩa

  1. đềxiben

    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.

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