natural logarithm

noun

: a logarithm with e as a base

Examples of natural logarithm in a Sentence

Recent Examples on the Web
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Others are connected to particular functions — e, for instance, is the base of the natural logarithm. Erica Klarreich, Quanta Magazine, 8 Jan. 2025 Then click the natural logarithm (or ln) function. Wyatte Grantham-Philips, USA TODAY, 13 July 2020 The chart below plots the natural logarithm of total cases on the vertical axis with the time index on the horizontal. Rupa Subramanya, Quartz India, 13 Apr. 2020 The actual percent is 1/e, where the base is the natural logarithm. Courtney Linder, Popular Mechanics, 14 Feb. 2020

Word History

First Known Use

1746, in the meaning defined above

Time Traveler
The first known use of natural logarithm was in 1746

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Cite this Entry

“Natural logarithm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/natural%20logarithm. Accessed 8 Sep. 2025.

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