Dictionary.com
Thesaurus.com

ln

American  
Symbol, Mathematics.
  1. natural logarithm.


ln British  

abbreviation

  1. (natural) 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

Etymology

Origin of ln

l(ogarithm) n(atural)

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Then there was endzeitjubeln, “end-times cheer,” which, like the previous attempts, concludes with a difficult-to-pronounce-to-English-speakers ln combination.

From Slate ● Feb. 25, 2025

Since the constant, A, is the same, these two equations may be rearranged to isolate ln A and then set them equal to one another:

From Textbooks ● Feb. 14, 2019

Figure 2.78 The graphs of ln x and exp x.

From Textbooks ● Mar. 30, 2016

Using 24 ≈ 0.6857 and ln 2 ≈ 0.6931, calculate the absolute error and the relative error.

From Textbooks ● Mar. 30, 2016

Then we quickly sent around The expiring brand; Each one put it hastily ln his neighbour's hand.

From The Poems of Goethe Translated in the original metres by Edgar Alfred Bowring

Vocabulary.com logo
by dictionary.com

Join 14,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training