deletion meaning and definition

DELETION noun

Definition of deletion (noun)

1. any process whereby sounds or words are left out of spoken words or phrases
   • synonyms: omission
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"
   • synonyms: cut, excision
4. the act of deleting something written or printed