| Title | ablation |
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| Text |
Merriam-Webster's Collegiate Dictionary ab·la·tion DATE 15th century : the process of ablating: as a. surgical removal b. loss of a part (as ice from a glacier or the outside of a nose cone) by melting or vaporization English Etymology ablation c.1580, from L. ablationem (nom. ablatio), "a taking away," noun of action from ablat-, pp. stem of auferre "to carry away," from ab-"off" + ferre (pp. latum; see oblate) "to bear." Oxford Advanced Learner's Dictionary-牛津双解-OALD7 ablation ab·la·tion / E5bleiFn / noun[U] (geology 地) the loss of material from a large mass of ice, snow or rock as a result of the action of the sun, wind or rain (冰、雪的)消融；(岩石的)磨蚀 Webster's Third New International Dictionary, Unabridged 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 |
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