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deletion definition

de·letion (dē lē′s̸hən, di-)

noun

  1. a deleting or being deleted
  2. a deleted word, passage, etc.
  3. Genetics the absence of some normal portion of a chromosome

Etymology: L deletio

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Alternate definitions:

medical deletion definition - medical

deletion Usage Examples

Preposition: of

  • chromosome: She gave the example of a deletion of chromosome 22 called 22q11.

Converse of object

  • confirm: You will be asked to confirm deletion - be brave - select the YES button!

Adjective modifier

  • homozygous: The cell lines were all assessed for homozygous deletions.

Modifies a noun

  • mutant: DNA transformation analysis of promoter deletion mutants for this gene have identified three classes of upstream elements that are essential for cAMP regulation.

Noun used with modifier

  • chromosome: This approach permitted the simultaneous evaluation of ploidy changes and chromosome arm deletions.
deletion usage examples (more)

The word usage examples above have been gathered from various sources to reflect current and historical usage. They do not represent the opinions of YourDictionary.com.

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MLA Style

"deletion." Webster's New World College Dictionary. 2009

  • Your Dictionary. 4 July 2009
  • <www.yourdictionary.com/deletion>

APA Style

deletion. (2009). In Webster's New World College Dictionary

  • Retrieved July 4th, 2009, from www.yourdictionary.com/deletion

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