Definitions for DB
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Random House Webster's College Dictionary
dB
or db
decibel.
Category: Physics
Princeton's WordNet
dubnium, Db, hahnium, element 105, atomic number 105(noun)
a transuranic element
decibel, dB(noun)
a logarithmic unit of sound intensity; 10 times the logarithm of the ratio of the sound intensity to some reference intensity
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