A carrying or taking away; removal.
- Surgical excision or amputation of a body part or tissue.
- The erosive processes by which a glacier is reduced.
- Aerospace The dissipation of heat generated by atmospheric friction, especially in the atmospheric reentry of a spacecraft or missile, by means of a melting heat shield.
- Aerospace The reduction or removal of heat-protective surface material by aerodynamic friction, as from a heat shield.