Meaning of ablation
Pronunciation: (a-blā'shun), [key]
- the removal, esp. of organs, abnormal growths, or harmful substances, from the body by mechanical means, as by surgery.
- the reduction in volume of glacial ice, snow, or névé by the combined processes of melting, evaporation, and calving. Cf. alimentation (def. 3).
- erosion of the protective outer surfaceof a spacecraft or missile due to the aerodynamic heating caused by travel at hypersonic speed during reentry through the atmosphere.
- ablation (Thesaurus)