释义 |
ab·la·tion \aˈblāshən\ noun (-s) Etymology: Middle French & Late Latin; Middle French, from Late Latin ablation-, ablatio, from Latin ablatus + -ion-, -io -ion 1. : removal 2. : removal of an organ or part by surgery < ablation of the appendix > or of an activity by other means < ablation of ovarian function by radiation > 3. a. : decrease in volume of ice, névé, or snow in or on a glacier primarily as a result of melting and evaporation — compare alimentation b. : lowering of a land surface by wind erosion or weathering agents < the warming of the polar seas leads to ablation of the ice caps > 4. : the process of ablating |