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Definition of "deletion" []

  • The act of deleting; removal by striking out. (noun)
  • Material, such as a word or passage, that has been removed from a body of written or printed matter. (noun)
  • Genetics The loss, as through mutation, of one or more nucleotides from a chromosome. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "deletion" in a sentence
  • "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."
  • "Eternal deletion is not the fate of every comment relegated to the spam bin."
  • "If one of these other cells containing the mutation or deletion is used in a fertilization, the fetus would inherit the Jagged1 mutation."
  • "Once a mutation or deletion is identified in a child with Alagille syndrome, parents and other family members can be tested for the gene change."
  • "I guess deletion is the progressive way for the perfect city."