Dictionary.com
definitions

natural logarithm

noun Mathematics.

a logarithm having e as a base. Symbol: ln

RELATED CONTENT

🇵🇷- Flag for Puerto Rico Emoji - Emoji by Dictionary.comRead more in this article about some frequently asked questions and fun facts related to our definitions.
READ MORE
IBMRead more in this article about some frequently asked questions and fun facts related to our definitions.
READ MORE

Nearby words

  1. natural justice,
  2. natural killer cell,
  3. natural language,
  4. natural law,
  5. natural levee,
  6. natural mutation,
  7. natural number,
  8. natural parent,
  9. natural person,
  10. natural philosophy
Compare common logarithm.

Origin of natural logarithm

First recorded in 1810–20
Also called Napierian logarithm.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for natural logarithm

natural logarithm

noun

a logarithm to the base e. Usually written log e or lnAlso called: Napierian logarithm Compare e (def. 1), common logarithm
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

Science definitions for natural logarithm

natural logarithm

A logarithm using base e. Natural logarithms are common in mathematics, especially in cases involving complex numbers. They are also called Napierian logarithms, after their inventor, English mathematician John Napier (1550-1617). See more at e. Compare common logarithm.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.