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.
In an opinion issued Thursday, U.S. District court judge Paul Friedman noted the deletion of the public information by the acting Justice Department leadership. Scott MacFarlane, CBS News, 1 Feb. 2025 Prime editing offers more accurate and flexible DNA modifications compared to traditional CRISPR-Cas9 systems, allowing for insertions, deletions, and base substitutions without inducing double-strand breaks. William A. Haseltine, Forbes, 24 Jan. 2025 De Oliveira was accused of ordering the deletion of surveillance footage after federal prosecutors had requested it. Gabe Whisnant, Newsweek, 29 Jan. 2025 Trend Micro flips that model on its head, offering secure deletion without encryption. PCMAG, 28 Jan. 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

Dictionary Entries Near deletion

Cite this Entry

“Deletion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deletion. Accessed 21 Feb. 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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