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.
Those deletions explain why 23andMe’s site temporarily went down when the company initially announced its bankruptcy filing. Michael Kan, PC Magazine, 11 June 2025 However, effective data retention and deletion (by design) are often never considered up front. Expert Panel®, Forbes.com, 4 June 2025 And in February, the State Department removed a statement about not supporting Taiwan’s independence from its website—a deletion that China interpreted as provocative. Oriana Skylar Mastro, Foreign Affairs, 20 May 2025 In any case, the deletion is likely to result in a less fully functional EspW protein. Beth Mole, ArsTechnica, 14 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 18 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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