Meaning & Definition of Deletion in English

1. Any process whereby sounds or words are left out of spoken words or phrases

2. (genetics) the loss or absence of one or more nucleotides from a chromosome

3. 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. The act of deleting something written or printed