Definition of deletion in English:


Syllabification: de·le·tion
Pronunciation: /diˈlēSHən


  • 1The action or process of deleting something: deletion of a file
    More example sentences
    • Actually, beyond deletion of the files, my options are nonexistent.
    • This eliminates the issue of file corruptions, viruses and file deletions.
    • Several programs exist to allow users to accomplish actual deletion of files containing sensitive information.
  • 2 Genetics The loss or absence of a section from a nucleic acid molecule or chromosome.
    More example sentences
    • These studies demonstrate the utility of chromosome deletions for complex trait analysis.
    • We identified two chromosomes with small deletions in the gene.
    • Correct integration of the deletions into the chromosome was confirmed by Southern analysis.

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