neper

ne·per

[nee-per, ney-]
noun Physics.
the unit used to express the ratio of two amplitudes as a natural logarithm: equal to 8.68 dB. Abbreviation: Np
Also, napier.


Origin:
1920–25; after J. Neper; see Napier

Dictionary.com Unabridged

Ne·per

[ney-per]
noun
John, Napier, John.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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00:10
Neper is always a great word to know.
So is lollapalooza. Does it mean:
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
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World English Dictionary
neper (ˈneɪpə, ˈniː-) [Click for IPA pronunciation guide]
 
n
Np, N a unit expressing the ratio of two quantities, esp amplitudes in telecommunications, equal to the natural logarithm of the ratio of the two quantities
 
[C20: named after John Napier; the name was approved in 1928]

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