noun.
A mutation in which a gene, or other section of DNA, is removed from a chromosome
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
(genetics) the loss or absence of one or more nucleotides from a chromosome
noun.
the act of deleting something written or printed
noun.
the omission that is made when an editorial change shortens a written passage
noun.
any process whereby sounds or words are left out of spoken words or phrases
Word Usage
"Because the 22q11. 2 deletion is such a rare disorder, even many healthcare professionals may find themselves at a loss when it comes to diagnosing and managing it."