ablation

noun6

1. •
   The surgical removal of a body part, an organ, or especially a tumor; the removal of an organ function; amputation.
2. •
   The removal of a component of an AI system.
3. •
   The progressive removal of material by any of a variety of processes such as melting or vaporization under heat or chipping.
4. •
   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.
5. •
   The depletion of surface snow and ice from a spacecraft or meteorite through melting and evaporation caused by aerodynamic heating.
6. •
   (no longer used) A carrying or taking away; removal.