decibel deciatine • deciceronize · · · Info · Definitions · Synonyms · Characters · · decibel · · Text Latin · · Script 7 · · Length 3 · · Syllables Definitions · · · (noun) a logarithmic unit of sound intensity; 10 times the logarithm of the ratio of the sound intensity to some reference intensity. Synonyms: dB. · · Noun Definition 1 Synonyms · · · db · · Synonym 1 Characters · · b latin small letter b U+0062 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C