"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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