[an-ti-law-guh-rith-uhm, -rith-, -log-uh-]
noun Mathematics.
the number of which a given number is the logarithm; antilog

1790–1800; anti- + logarithm

antilogarithmic, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
antilogarithm (ˌæntɪˈlɒɡəˌrɪðəm)
Often shortened to: antilog a number whose logarithm to a given base is a given number: 100 is the antilogarithm of 2 to base 10

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
antilogarithm   (ān'tē-lô'gə-rĭ'əm, ān'tī)  Pronunciation Key 
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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Example sentences
Geometric mean: the antilogarithm of the mean of the logarithms of all the values in a set.
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