BEL
WordNet
noun
(1) Babylonian god of the earth; one of the supreme triad including Anu and Ea; earlier identified with En-lil
(2) A logarithmic unit of sound intensity equal to 10 decibels
WiktionaryText
Noun
bel
- A measure of relative power, defined as log10(P 1/P 2), where P1 and P2 are the measured and reference power respectively. See also decibel.