1. n. [Geology]

The physical, chemical and biological processes that decompose rock at and below the surface of the Earth through low pressures and temperatures and the presence of air and water. Weathering includes processes such as dissolution, chemical weathering, disintegration and hydration.

See: aerated layer,  base of weathering,  detrital,  diagenesis,  differential weathering correction,  erosion,  erosion,  kaolinite,  lag,  lithification,  reef,  rock,  weathered layer,  weathering correction