Any process whereby sounds or words are left out of spoken words or phrases. Synonym: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. Synonyms:cut, excision."Both parties agreed on the excision of the proposed clause"
... notice compared with the deletions—the deletion of the allusion to Rochefoucauld associating that writer in the same condemnation with Mandeville, and the deletion of the passage in which the revealed doctrine of the atonement was stated to coincide with the repentant sinner's ... — Life of Adam Smith • John Rae