logarithm

noun

log·​a·​rithm ˈlȯ-gə-ˌri-t͟həm How to pronounce logarithm (audio)
ˈlä-
: the exponent that indicates the power to which a base number is raised to produce a given number
the logarithm of 100 to the base 10 is 2
logarithmic adjective
logarithmically adverb

Examples of logarithm in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Given a set of possible characters in a message, Shannon’s formula defines the uncertainty about which character will appear next as the sum of the probability of each character appearing multiplied by the logarithm of that probability. Zack Savitsky, Quanta Magazine, 13 Dec. 2024 This relationship can be seen most visually by taking the logarithm of both sides. Korok Ray, Forbes, 6 Dec. 2024 Babbage had built a prototype for an earlier device called the difference engine (currently on display at the Museum of Science in London), which could mechanically calculate a preset suite of operations such as certain logarithms and trigonometric functions. Jack Murtagh, Scientific American, 4 June 2024 During the trip Jack calculated for his father a table of logarithms, and as a reward, on the last day of the successful tests, John Scott decided his son should have a dive. Rachel Lance, WIRED, 16 Apr. 2024 See all Example Sentences for logarithm 

Word History

Etymology

New Latin logarithmus, from log- + Greek arithmos number — more at arithmetic

First Known Use

circa 1616, in the meaning defined above

Time Traveler
The first known use of logarithm was circa 1616

Dictionary Entries Near logarithm

Cite this Entry

“Logarithm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/logarithm. Accessed 30 Dec. 2024.

Kids Definition

logarithm

noun
log·​a·​rithm ˈlȯg-ə-ˌrit͟h-əm How to pronounce logarithm (audio)
ˈläg-
: the exponent that indicates the power to which a base number is raised to produce a given number
the logarithm of 100 to the base 10 is 2
logarithmic adjective

More from Merriam-Webster on logarithm

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