# neper

[nee-per, ney-]

- the unit used to express the ratio of two amplitudes as a natural logarithm: equal to 8.68 dB. Abbreviation: Np

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Also napier.

## Origin of neper^{}

## Neper

[ney-per]

- John. Napier, John.

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Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## Examples from the Web for neper

### Historical Examples

#### Which hint Neper taking, he desired him at his return to call upon him again.

## neper

- a unit expressing the ratio of two quantities, esp amplitudes in telecommunications, equal to the natural logarithm of the ratio of the two quantitiesSymbol: Np, N

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## Word Origin

C20: named after John Napier; the name was approved in 1928

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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