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.
But these apps were designed to enable privacy and message deletion—not regulatory compliance or secure team coordination. Richard Danforth, Forbes.com, 3 July 2025 With those deletions, Gillett has given us our 21st century Rose Mary Stretch. Kevin Rennie, Hartford Courant, 28 June 2025 Send to Incinerator queues up files for irreversible deletion, but doesn’t wipe them out immediately. PC Magazine, 17 June 2025 No official reason was given by the Colts for the deletion of the video. Jackson Thompson, FOXNews.com, 15 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 12 Jul. 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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