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Definition of deletion

deletion

/dɪˈliːʃən/
de · le · tion
Plural:deletions
•
Adjective:deletional
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deletion Lexical Profile

deletion Game Scores & Validity

• noun

1

The act or process of removing, erasing, or striking out written text, digital data, or other recorded material, or an instance of something being removed.

Example

"The editor recommended the deletion of several redundant paragraphs from the final manuscript."

2

A genetic mutation in which a single nucleotide or a larger segment of DNA or chromosomal material is lost during replication.

Example

"Genetic screening revealed a rare chromosomal deletion responsible for the inherited metabolic condition."

Synonyms
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Antonyms
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• Rhymes for deletion

• Nearby Words

delegitimize
deletable
delete
deletion
delgermoron
delhi
deli

Word Origin & Etymology

Borrowed in the 16th century from Latin deletio ('a destroying, effacing'), a noun of action from the verb delere ('to blot out, efface, destroy').

Cite this Entry

Wordmom. (2026). Definition of Deletion. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/deletion
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