logarithmic

[law-guh-rith-mik, -rith-, log-uh-]

adjective Mathematics.

pertaining to a logarithm or logarithms.
(of an equation) having a logarithm as one or more of its unknowns.
(of a function)
  1. pertaining to the function y = logx.
  2. expressible by means of logarithms.

Also log·a·rith·mi·cal.

Origin of logarithmic

First recorded in 1690–1700; logarithm + -ic
Related formslog·a·rith·mi·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


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British Dictionary definitions for logarithmic

logarithmic

logarithmical

adjective

of, relating to, using, or containing logarithms of a number or variable
consisting of, relating to, or using points or lines whose distances from a fixed point or line are proportional to the logarithms of numbers
Abbreviation: log
Derived Formslogarithmically, adverb
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

Word Origin and History for logarithmic
adj.

1690s, from logarithm + -ic. Related: Logarithmical (1630s).

Online Etymology Dictionary, © 2010 Douglas Harper