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## Smart answer:

After reading 1986 websites, we found 15 different results for *"What is a decibel"*

a logarithmic unit measure of sound pressure

A decibel is a logarithmic unit measure of sound pressure.

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the measurement of a sound's intensity

(A decibel is the measurement of a sound's intensity.)

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a measure of loudness

Decibels (a measure of loudness) and watts (a measure of amplifier power) are common terms used when describing audio equipment.

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a unit of measurement that tells us just how loud a sound may be

Decibels are a unit of measurement that tells us just how loud a sound may be.

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a logarithmic unit used to describe ratios of physical values like - like power, sound pressure, voltage, intensity and more

Decibel is a logarithmic unit used to describe ratios of physical values like - like power, sound pressure, voltage, intensity and more.

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one tenth of a bel ('B

As the numerical 'deci' implies, a decibel is one tenth of a bel ('B,' named in honor of Alexander Graham Bell).

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a measure of sound pressure or energy

In simpler terms, a decibel is a measure of sound pressure or energy and is used to quantify the intensity of a sound.

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used to measure the relative intensity of sound

**A decibel is a unit used to measure the relative intensity of sound.

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an audio measurement

A decibew is a visibility measurement, much as a decibel is an audio measurement.

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a logarithmic unit of measurement

A Decibel, abbreviated to dB, is a logarithmic unit of measurement

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one tenth of a bel, a seldom-used unit named in honor of Alexander Graham Bell

A decibel is one tenth of a bel, a seldom-used unit named in honor of Alexander Graham Bell.

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a logarithmic unit that indicates ratio or gain

Decibel (Symbol: dB) is a logarithmic unit that indicates ratio or gain.

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a logarithmic unit , in this casethe ratio of the initial signal strength to the reduced signal strength used to express the ratio of two values of a physical quantity,

Decibel is a logarithmic unit used to express the ratio of two values of a physical quantity, in this case, the ratio of the initial signal strength to the reduced signal strength.

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a logarithmic unit that is a ratio of the power of the system to some reference

A decibel is a logarithmic unit that is a ratio of the power of the system to some reference.

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