- decibel or decibels
WordReference Random House Learner's Dictionary of American English © 2026
dB or db,
an abbreviation of:
WordReference Random House Unabridged Dictionary of American English © 2026- Physicsdecibel.
dB, [Physics.]
DB, [Radio and Television.]
D.B.,
- Physicsdecibel;
decibels.
DB, [Radio and Television.]
- Radio and Television, Show Businessdelayed broadcast.
D.B.,
- Bachelor of Divinity.
- Domesday Book.
- daybook.
Collins Concise English Dictionary © HarperCollins Publishers::
dB, db symbol for
'dB' also found in these entries (note: many are not synonyms or translations):