1.Definition: (genetics) the loss or absence of one or more nucleotides from a chromosome

Category: General

2.Definition: any process whereby sounds or words are left out of spoken words or phrases

Related Noun(s):omission

Category: General

3.Definition: the act of deleting something written or printed

Category: General

4.Definition: 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"

Related Noun(s):cut, excision

Category: General