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From Middle French and Latin ablātiō (a taking away), from ablātus (removed), the perfect passive participle of auferō (carry away). Compare French ablation.



ablation (countable and uncountable, plural ablations)

  1. (obsolete) A carrying or taking away; removal. [First attested around 1350 to 1470.][1]
  2. (medicine) The surgical removal of a body part, an organ, or especially a tumor; the removal of an organ function; amputation. [First attested around 1350 to 1470.][1]
  3. (sciences) The progressive removal of material by any of a variety of processes such as vaporization under heat or chipping. [Mid 20th century.][1]
  4. (geology) The removal of a glacier by melting and evaporation; the lowering of a land surface by any of several means, as in wind erosion, mass wasting. [Mid 20th century.][1]

Related terms[edit]


The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout#Translations.


  1. 1.0 1.1 1.2 1.3 Lesley Brown (editor), The Shorter Oxford English Dictionary, 5th edition (Oxford University Press, 2003 [1933], →ISBN), page 5



ablation f (plural ablations)

  1. The often forceful removal (physical or otherwise) or abolition of something.
    • 2008 April 25, Martine Chouinard, “Brebis égarée”, in Le Devoir[1]:
      [] se contentant d'annoncer que l'ablation des nouvelles permettra de voguer vers «la production d'émissions culturelles et de divertissement de qualité».
      merely announcing that the elimination of news programming [on tv channel TQS] will allow it to focus on "the production of quality entertainment and cultural programming"
  2. (medicine) ablation
  3. (sciences) ablation

Further reading[edit]