wearing - (geology) the mechanical process of wearing or grinding something down (as by particles washing over it)geology - a science that deals with the history of the earth as recorded in rocks chatter mark - marks on a glaciated rock caused by the movement of a glacier ablation - the erosive process that reduces the size of glaciers deflation - (geology) the erosion of soil as a consequence of sand and dust and loose rocks being removed by the wind; "a constant deflation of the desert landscape" planation - the process of erosion whereby a level surface is produced soil erosion - the washing away of soil by the flow of water |