The logarithmic unit that is used to express the loudness or intensity of sound.
DECIBEL: "A decibel measures the relative loudness of a noise."
Cite this page: N., Sam M.S., "DECIBEL," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/decibel/ (accessed August 17, 2022).