n. [ L. ablatio, fr. ablatus p. p. of auferre to carry away; ab + latus, p. p. of ferre carry: cf. F. ablation. See Tolerate. ] 1. A carrying or taking away; removal. Jer. Taylor. [ 1913 Webster ]
2. (Med.) Extirpation. Dunglison. AS [ 1913 Webster ]
3. (Med.) Removing or destroying of a body tissue, especially by a surgical procedure. Dorland. [ AS ]
4. (Geol.) Wearing away; superficial waste, as of glacial ice or snow. Tyndall. [ 1913 Webster ]
5. (Aerospace) Wearing away of the outer layers of a protective shield or surface by the heat and aerodynamic forces caused by flying through the atmosphere at hypersonic speed, as during reentry from space; as, ablation of the heat shield during reentry. [ PJC ]
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