"deletion" in the noun sense
1. omission, deletion
any process whereby sounds or words are left out of spoken words or phrases
2. deletion
genetics) the loss or absence of one or more nucleotides from a chromosome
3. deletion, excision, cut
the omission that is made when an editorial change shortens a written passage
"an editor's deletions frequently upset young authors"
"both parties agreed on the excision of the proposed clause"
4. deletion
the act of deleting something written or printed
Source: WordNet® (An amazing lexical database of English)
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