dB decibel Merriam-Webster Online DictionarydB (abbreviation)decibelDB (abbreviation)daybookDb (symbol)dubniumdB (Wikipedia) Look up DB, Db, or dB in Wiktionary, the free dictionary.DB, dB, or db may refer to: « Back to Glossary Index ATP: Asia Tree Preservation2016-12-16T18:22:34+08:00 Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInTumblrPinterestVkEmail