deletion

(n) any process whereby sounds or words are left out of spoken words or phrases omission,
(n) (genetics) the loss or absence of one or more nucleotides from a chromosome
(n) 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
excision, cut,
(n) the act of deleting something written or printed

omission excision cut