microdeletion

M3I1C3R1O1D2E1L1E1T1I1O1N1

noun

A genetic mutation resulting from the deletion of a small part of a chromosome, usually involving many genes.

OriginEnglish deletion ← Latin dēlētiōnem ← Proto-Italic *oleō →
Scrabble 18
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Meanings

nounmicrodeletion (countable and uncountable, plural microdeletions)

plural microdeletions

  1. countableuncountablebiologyA genetic mutation resulting from the deletion of a small part of a chromosome, usually involving many genes.

Origin

  1. Proto-Indo-European*mey-der.?
  2. Ancient Greekμῑκρός (mīkrós)
  3. Ancient Greekμῑκρο- (mīkro-)
  4. Englishmicro-
  5. Proto-Indo-European*de
  6. Proto-Indo-European*déh₁
  7. Proto-Italic*dē
  8. Latindē
  9. Latindē-
  10. Proto-Indo-European*h₂leyH-
  11. Proto-Italic*linō
  12. Latinlinō
  13. Latindēlinō
  14. Latindēlēvībf.?
  15. Latindē-
  16. Proto-Indo-European*h₃elh₁-
  17. Proto-Indo-European*h₃olh₁-éye-ti
  18. Proto-Italic*oleō
  19. Latin*oleō
  20. Latindēleō
  21. Latindēlētiōnem
  22. Englishdeletion
  23. Englishmicrodeletion

From micro- + deletion.

Full word history & related roots →

Translations

Portuguese microdeleção
  • microdeleçãogenetic mutation resulting from the deletion of a small part of a chromosome
Cite this entry
APA

microdeletion. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/microdeletion

MLA

“microdeletion.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/microdeletion. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “microdeletion,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/microdeletion.

Source: microdeletion on Wiktionary, CC BY-SA 4.0.