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[an-ti-law-guh-rith-uh m, -rith-, -log-uh-] /ˌæn tɪˈlɔ gəˌrɪð əm, -ˌrɪθ-, -ˈlɒg ə-/
noun, Mathematics
the number of which a given number is the logarithm; antilog.
Origin of antilogarithm
1790-1800; anti- + logarithm
Related forms
antilogarithmic, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for antilogarithm


a number whose logarithm to a given base is a given number: 100 is the antilogarithm of 2 to base 10 Often shortened to antilog
Derived Forms
antilogarithmic, adjective
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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antilogarithm in Science
  (ān'tē-lô'gə-rĭ'əm, ān'tī)   
The number whose logarithm is a given number. For example, the logarithm of 1,000 (103) is 3, so the antilogarithm of 3 is 1,000. In algebraic notation, if log x = y, then antilog y = x.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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