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deletion

[dih-lee-shuh n] /dɪˈli ʃən/
noun
1.
an act or instance of deleting.
2.
the state of being deleted.
3.
a deleted word, passage, etc.
4.
Genetics. a type of chromosomal aberration in which a segment of the chromosome is removed or lost.
Origin
1580-1590
1580-90; < Latin dēlētiōn- (stem of dēlētiō) a destroying, equivalent to dēlēt(us) (see delete) + -iōn- -ion
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for deletion
  • In both cases, they found a deletion of one particular gene.
  • It's not ideal but if any model goes against such detections needs modification, deletion or re-making.
  • For every deletion, something that happens during an unequal recombination or crossing over, a duplication occurs.
  • Those with the deletion also had a larger hypothalamus, the part of the brain that controls eating and sleep.
  • All wilderness parks are threatened by that little deletion.
  • Because they say, at one point, that immediate deletion is not always practicable due to the way the archiving systems operate.
  • Until they are handed back without alteration or deletion then a big question mark remains over what really happened.
  • Thus, when the observer makes a reversible deletion, he is actually siphoning heat off from the system.
  • If it were broken by a deletion, or frame-shift mutation, then it cannot be fixed by a single-step mutation.
  • And you have more gross genomic features such as gene duplication or deletion.
British Dictionary definitions for deletion

deletion

/dɪˈliːʃən/
noun
1.
the act of deleting or fact of being deleted
2.
a deleted passage, word, etc, in text
3.
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
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Word Origin and History for deletion
n.

1580s, from Latin deletionem (nominative deletio), noun of action from past participle stem of delere (see delete).

Online Etymology Dictionary, © 2010 Douglas Harper
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deletion in Medicine

deletion de·le·tion (dĭ-lē'shən)
n.
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.
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