Definition:Decibel/Definition 1
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Definition
The decibel is a unit for comparing levels of power.
Conversion Factors
\(\ds \) | \(\) | \(\ds 1\) | decibel | |||||||||||
\(\ds \) | \(=\) | \(\ds \dfrac 1 {10}\) | bel |
Symbol
The symbol for the decibel is $\mathrm {dB}$.
Also see
Source of Name
This entry was named for Alexander Graham Bell.
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): decibel: 1.
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): decibel: 1.