[ dih-lee-shuh n ]
/ dɪˈli ʃən /


an act or instance of deleting.
the state of being deleted.
a deleted word, passage, etc.
Genetics. a type of chromosomal aberration in which a segment of the chromosome is removed or lost.

Origin of deletion

1580–90; < Latin dēlētiōn- (stem of dēlētiō) a destroying, equivalent to dēlēt(us) (see delete) + -iōn- -ion Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for deletion

British Dictionary definitions for deletion

/ (dɪˈliːʃən) /


the act of deleting or fact of being deleted
a deleted passage, word, etc, in text
the loss or absence of a section of a chromosome
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for deletion

[ dĭ-lēshən ]


Loss, as from mutation, of one or more nucleotides from a chromosome.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.