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logarithmic

[law-guh-rith -mik, -rith-, log-uh-] /ˌlɔ gəˈrɪð mɪk, -ˈrɪθ-, ˌlɒg ə-/
adjective, Mathematics
1.
pertaining to a logarithm or logarithms.
2.
(of an equation) having a logarithm as one or more of its unknowns.
3.
  1. pertaining to the function y = log x.
  2. expressible by means of logarithms.
Also, logarithmical.
Origin
1690-1700
1690-1700; logarithm + -ic
Related forms
logarithmically, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for logarithmic
  • So all our prognoses should reckon with logarithmic plus acceleration in renewables availability, efficiency and falling prices.
  • Down close to the surface, the wind speed follows a logarithmic profile.
  • The first graph he designed was a bubble chart that had double logarithmic axes, with income on one axis and health on the other.
  • The logarithmic spiral echoes the curved arms of hurricanes and distant galaxies.
  • In fact, the distribution of first digits follows a logarithmic law.
  • The logarithmic profile effectively described vertical wind speed variations irrespective of atmospheric stability conditions.
  • Grid spacing can be even, logarithmic, or geometric.
  • Find an exponential or logarithmic function to model a given data set or situation.
  • These measured velocity distributions are compared with the logarithmic- and power-law velocity distributions.
  • From one number to the next on our logarithmic scale, the logarithm goes up by one.
British Dictionary definitions for logarithmic

logarithmic

/ˌlɒɡəˈrɪðmɪk/
adjective
1.
of, relating to, using, or containing logarithms of a number or variable
2.
consisting of, relating to, or using points or lines whose distances from a fixed point or line are proportional to the logarithms of numbers
log
Derived Forms
logarithmically, 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
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Word Origin and History for logarithmic
adj.

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

Online Etymology Dictionary, © 2010 Douglas Harper
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