check·​sum | \ ˈchek-ˌsəm How to pronounce checksum (audio) \

Definition of checksum

: a sum derived from the bits of a segment of computer data that is calculated before and after transmission or storage to assure that the data is free from errors or tampering

Examples of checksum in a Sentence

Recent Examples on the Web This puzzle was brilliantly answered by Ben, using a sophisticated version of the checksum modulo-3 technique from Puzzle 3. Quanta Magazine, 23 Mar. 2016 By tracking the MD5 checksum, which uniquely identifies the original source of a song, Hoffman said that Emusic would be able to track files that were being made available from one individual to other Napster users. Brad King, WIRED, 21 Nov. 2000

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'checksum.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of checksum

1940, in the meaning defined above

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Time Traveler for checksum

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The first known use of checksum was in 1940

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check system

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Cite this Entry

“Checksum.” Dictionary, Merriam-Webster, Accessed 28 Jun. 2022.

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More from Merriam-Webster on checksum

Nglish: Translation of checksum for Spanish Speakers


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