neper
[ nee-per, ney- ]
nounPhysics.
the unit used to express the ratio of two amplitudes as a natural logarithm: equal to 8.68 dB. Abbreviation: Np
Origin of neper
1First recorded in 1920–25; after J. Neper; see John Napier
- Also na·pi·er [ney-pee-er] /ˈneɪ pi ər/ .
Words Nearby neper
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use neper in a sentence
Which hint neper taking, he desired him at his return to call upon him again.
British Dictionary definitions for neper
neper
/ (ˈneɪpə, ˈniː-) /
noun
a unit expressing the ratio of two quantities, esp amplitudes in telecommunications, equal to the natural logarithm of the ratio of the two quantities: Symbol: Np, N
Origin of neper
1C20: named after John Napier; the name was approved in 1928
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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