deletion

noun

de·​le·​tion di-ˈlē-shən How to pronounce deletion (audio)
dē-
1
: the act of deleting
2
a
: something deleted
b(1)
: the absence of a section of genetic material from a gene or chromosome
(2)
: the mutational process that results in a deletion

Examples of deletion in a Sentence

one of the deletions from the final cut of the movie turned out to be my one line of dialogue
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.
The deletion wasn’t located within a gene, where mutations usually are found. Amanda Schupak, CNN Money, 23 May 2025 That moves data to your phone and triggers the cloud deletion. Zak Doffman, Forbes.com, 17 May 2025 The deletions even temporarily included a page from MLB legend Jackie Robinson's service record from the Pentagon's website. Gabe Whisnant, MSNBC Newsweek, 9 May 2025 Those using Norton can take advantage of a collection of performance tune-up features, while those on the Bitdefender side of the fence get a secure deletion file shredder, for example. PC Magazine, 8 May 2025 See All Example Sentences for deletion

Word History

Etymology

Latin deletion-, deletio destruction, from delēre

First Known Use

1590, in the meaning defined at sense 1

Time Traveler
The first known use of deletion was in 1590

Browse Nearby Words

Cite this Entry

“Deletion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deletion. Accessed 4 Jun. 2025.

Medical Definition

deletion

noun
de·​le·​tion di-ˈlē-shən How to pronounce deletion (audio)
1
: the absence of a section of genetic material from a gene or chromosome
2
: the mutational process that results in a deletion

More from Merriam-Webster on deletion

Last Updated: - Updated example sentences
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