侵蝕

(1)erosion by chemical action

(2)化学作用による浸食

(3)(geology) the mechanical process of wearing or grinding something down (as by particles washing over it)

(4)何かを磨滅または摩る技術的過程（それを摩耗させる粒子によって）

(5)condition in which the earth's surface is worn away by the action of water and wind

(6)地球表面が水や風の働きによってすり減っていく状況

(7)any entry into an area not previously occupied; "an invasion of tourists"; "an invasion of locusts"

(8)前に支配していない地域に入ること

(1)an invasion of tourists

(2)旅行者による侵入

(3)an invasion of locusts

(4)バッタの侵入