[law-guh-rith-uh m, -rith-, log-uh-]
- the exponent of the power to which a base number must be raised to equal a given number; log: 2 is the logarithm of 100 to the base 10 (2 = log10 100).
Origin of logarithm
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Examples from the Web for logarithm
That was short for logarithm, you know, because I was such a log at arithmetic.Adam Johnstone's Son
F. Marion Crawford
The complement of the logarithm of a sine, tangent, or secant.The Sailor's Word-Book
William Henry Smyth
It seems that gravitation is not truth, but only the logarithm of it.A Budget of Paradoxes, Volume I (of II)
Augustus De Morgan
To find the logarithm of 2, Briggs raised it to the tenth power, viz.
For example, suppose the logarithm of 543839 required to twelve places.
- the exponent indicating the power to which a fixed number, the base, must be raised to obtain a given number or variable. It is used esp to simplify multiplication and division: if a x = M, then the logarithm of M to the base a (written log a M) is xOften shortened to: log See also common logarithm, natural logarithm
C17: from New Latin logarithmus, coined 1614 by John Napier, from Greek logos ratio, reckoning + arithmos number
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 logarithm
Online Etymology Dictionary, © 2010 Douglas Harper
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