deletion

[ dih-lee-shuhn ]

/ dɪˈli ʃən /

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See synonyms for deletion on Thesaurus.com

noun

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.

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Origin of deletion

1580–90; <Latin dēlētiōn- (stem of dēlētiō) a destroying, equivalent to dēlēt(us) (see delete) + -iōn--ion

Words nearby deletion

delegatory, delegitimize, de Lesseps, delete, deleterious, deletion, deleverage, deleveraging, delft, Delgado, Delhi

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use deletion in a sentence

It can come in the form of a deletion, addition, or change in the type of a single nucleotide.
Doggie DNA tests help predict the breeds that will be Puppy Bowl MVPs|Erin Fennessy|February 5, 2021|Popular-Science
The researchers' interest in deletions started with their involvement with an immunocompromised cancer patient, who held off the infection for over two months without being able to clear the virus.
Signs that SARS-CoV-2 is evolving to avoid immune responses|John Timmer|February 5, 2021|Ars Technica
A district spokeswoman acknowledged that the trainings took place but said the purpose was to show staff what a permanent deletion looked like, so they could avoid doing it.
Morning Report: School District Showed Employees How to Permanently Delete Emails|Voice of San Diego|January 25, 2021|Voice of San Diego
Users were “cautioned that deletion from the recovery folder would amount to permanent deletion from the system,” she wrote.
Official: San Diego Unified Trained Employees to Delete Emails From Public Record|Will Huntsberry and Jesse Marx|January 25, 2021|Voice of San Diego

It dragged its feet long enough to run up against the 100-day automatic deletion, meaning it deleted public records even after they’d been requested, in violation of the law.
These Stories Changed San Diego in 2020|Sara Libby|December 31, 2020|Voice of San Diego
From 2009, News International has run an ‘email deletion’ or ‘data retention’ policy as do many companies.
Breaking Rebekah Brooks’ Hollywood Cover-Up Code|Peter Jukes, Nico Hines|November 4, 2013|DAILY BEAST
What does it mean, really, if your 14-week-old fetus has a deletion on chromosome 12?
New Finding That Testing Could Identify Defects in Fetuses Is a Genetics Baby Step|Kent Sepkowitz|June 8, 2012|DAILY BEAST
Despite its deletion, the villagers of Calcata hold their annual procession each year.
Happy Holy Circumcision Day!|David Farley|December 31, 2009|DAILY BEAST
The answer is not to crash the gates of our messaging companies and force them to execute proper deletion programs.
Tiger's Digital Sex Trap|Douglas Rushkoff|December 2, 2009|DAILY BEAST
Cordelia calmly insisted on the deletion of the newly inserted paragraph surrendering the dramatic rights of the book.
The Silver Poppy|Arthur Stringer
If he should perish through the deletion of this creature, she would account herself his slayer.
The Historical Nights Entertainment, Second Series|Rafael Sabatini
"You have not considered that the deletion you intend will destroy my father," she said quietly.
The Historical Nights Entertainment, Second Series|Rafael Sabatini
We should in vain look for an example in the Spanish deportation, or deletion of the Moors.
The Journal of Negro History, Volume 3, 1918|Various
We should in vain look for an example in the Spanish deportation or deletion of the Moors.
Memoir, Correspondence, And Miscellanies, From The Papers Of Thomas Jefferson|Thomas Jefferson

British Dictionary definitions for deletion

deletion

/ (dɪˈliːʃən) /

noun

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

deletion

[ dĭ-lē′shən ]

Loss, as from mutation, of one or more nucleotides from a chromosome.

deletion

Origin of deletion

Words nearby deletion

Words related to deletion

How to use deletion in a sentence

British Dictionary definitions for deletion

Medical definitions for deletion