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3 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 db
 分貝decibel的簡寫

From: Taiwan MOE computer dictionary

 dB
 分貝

From: WordNet (r) 2.0

 dB
      n : a logarithmic unit of sound intensity; 10 times the
          logarithm of the ratio of the sound intensity to some
          reference intensity [syn: decibel]