Napierian logarithm

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Na·pier·i·an logarithm

 (nə-pîr′ē-ən, nā-)
[After John Napier.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Napierian logarithm

(nəˈpɪərɪən; neɪ-)
(Mathematics) another name for natural logarithm
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

nat′ural log′arithm

a logarithm having e as a base. Symbol: ln Also called Napierian logarithm. Compare common logarithm.
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ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Napierian logarithm - a logarithm to the base e
logarithm, log - the exponent required to produce a given number
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