corrasion
Cor*ra"sion (kr-r"zhn), n. Etym: [See Corrade.] (Geol.) Defn: The erosion of the bed of a stream by running water, principally by attrition of the detritus carried along by the stream, but also by the solvent action of the water.
Cor*ra"sion (kr-r"zhn), n. Etym: [See Corrade.] (Geol.) Defn: The erosion of the bed of a stream by running water, principally by attrition of the detritus carried along by the stream, but also by the solvent action of the water.