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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.

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

Let D be the region bounded by y = 1, y = x, y = ln x, and the x -axis.

From Textbooks • Mar. 30, 2016

Figure 2.78 The graphs of ln x and exp x.

From Textbooks • Mar. 30, 2016

Jenkins takes the editorial eyas and teaches it to soar ln exact imitation of himself.

From Brann the Iconoclast — Volume 01 by Brann, William Cowper