Decibel Definition
dĕsə-bəl, -bĕl
noun
A numerical expression of the relative loudness of a sound: the difference in decibels between two sounds is ten times the common logarithm of the ratio of their power levels.
Webster's New World
A numerical expression of the relative differences in power levels of electrical signals equal to ten times the common logarithm of the ratio of the two signal powers Sometimes an absolute reference is used in the power ratio (10-16 watt per sq cm in acoustics, one milliwatt in electronics and radio)
Webster's New World
Synonyms:
Other Word Forms of Decibel
Noun
Singular:
decibel
Plural:
decibelsOrigin of Decibel
deci– bel
From American Heritage Dictionary of the English Language, 5th Edition
Find Similar Words
Find similar words to decibel using the buttons below.