Weathering means the physical and chemical change of minerals and rock under new physical and chemical condition. It is a change in original place affected by atmosphere and bioss.

风化(weathering)作用：是指矿物、岩石在地表新的物理、化学条件下所产生的一切物理状态和化学成分的变化，是在大气及生物影响下岩石在原地发生的破坏作用。