Is “Bel” a Scrabble word?
Yes
BEL
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Bel
/bɛl/
noun
1.A measure of relative power, defined as log10(P 1/P 2), where P1 and P2 are the measured and reference power respectively.