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# logarithm

[ law-guh-rith-uhm, -rith-, log-uh- ]

/ ËˆlÉ” gÉ™ËŒrÉªÃ° É™m, -ËŒrÉªÎ¸-, ËˆlÉ’g É™- /

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noun Mathematics.

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).

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## Origin of logarithm

## Words nearby logarithm

loganiaceous, logania family, Logansport, logan stone, logaoedic, logarithm, logarithmic, logarithmic function, logbook, log chip, loge

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, Â© Random House, Inc. 2023

## How to use logarithm in a sentence

## British Dictionary definitions for logarithm

logarithm

/ (ËˆlÉ’É¡É™ËŒrÉªÃ°É™m) /

noun

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

## Word Origin for 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
Â© William Collins Sons & Co. Ltd. 1979, 1986 Â© HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## Scientific definitions for logarithm

logarithm

[ lÃ´â€²gÉ™-rÄÃ°â€²É™m ]

The power to which a base must be raised to produce a given number. For example, if the base is 10, then the logarithm of 1,000 (written log 1,000 or log10 1,000) is 3 because 103 = 1,000. See more at common logarithm natural logarithm.

The American HeritageÂ® Science Dictionary
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