decibel

Definitions

General Science

  • noun a unit for measuring the power of a sound or the strength of a signal. The decibel scale is logarithmic.
  • noun a unit for comparing two power levels, especially the relative loudness of different sounds or relative strength of electrical signals.

Construction

  • The standard unit of measurement for the loudness of sound.
  • In closed-circuit television, a numerical unit used to express the difference in power levels, usually between acoustic or electric signals.

Medical

  • noun a unit of measurement of the loudness of sound, used to compare different levels of sound.

Electronics

  • synonymdB
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