cologarithm


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co·log·a·rithm

 (kō′lô′gə-rĭth′əm, -lŏg′ə-)
n.
The logarithm of the reciprocal of a number.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

cologarithm

(kəʊˈlɒɡəˌrɪðəm)
n
(Mathematics) the logarithm of the reciprocal of a number; the negative value of the logarithm: the cologarithm of 4 is log . Abbreviation: colog
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

co•log•a•rithm

(koʊˈlɔ gəˌrɪð əm, -ˌrɪθ əm, -ˈlɒg ə-)

n.
the logarithm of the reciprocal of a number, often used in expressing the logarithm of a fraction.
[1880–85]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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