Ablation

//əˈbleɪ.ʃn̩// noun

Definitions

Noun
  1. 1
    A carrying or taking away; removal. countable, obsolete, uncountable
  2. 2
    surgical removal of a body part or tissue wordnet
  3. 3
    The surgical removal of a body part, an organ, or especially a tumor; the removal of an organ function; amputation. countable, uncountable
  4. 4
    the erosive process that reduces the size of glaciers wordnet
  5. 5
    The progressive removal of material by any of a variety of processes such as melting or vaporization under heat or chipping.; The removal of a glacier by melting and evaporation; the lowering of a land surface by any of several means, as in wind erosion or mass wasting. countable, uncountable
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  1. 6
    The progressive removal of material by any of a variety of processes such as melting or vaporization under heat or chipping.; The depletion of surface snow and ice from a spacecraft or meteorite through melting and evaporation caused by aerodynamic heating. countable, uncountable

Etymology

From Late Middle English ablacioun (“removal”), from Late Latin ablātiō (“a taking away”), from auferō (“to take away, carry off, withdraw, remove”) + -tiō (“-tion”, nominal suffix). Doublet of ablatio. Compare French ablation. By surface analysis, ablat(e) + -ion.

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