the removal of snow and ice by melting or evaporation, typically from a glacier or iceberg (尤指冰河或冰山的)冰雪消融 ■the erosion of rock, typically by wind action (岩石的)侵蚀(尤指风化) ■the loss of surface material from a spacecraft or meteorite through evaporation or melting caused by friction with the atmosphere (飞行器壳体材料或陨星在与大气摩擦时由于熔化或蒸发而导致的)烧蚀
派生 ablate verb 语源
late Middle English (in the general sense 'taking away, removal'): from late Latin ablatio(n-), from Latin ablat- 'taken away', from ab- 'away' + lat- 'carried' (from the verb ferre)