n. [ See Corrade. ] (Geol.) 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. [ 1913 Webster ]
n. [ LL. corrosio: cf. F. corrosion. See Corrode. ] The action or effect of corrosive agents, or the process of corrosive change;
Corrosion is a particular species of dissolution of bodies, either by an acid or a saline menstruum. John Quincy. [ 1913 Webster ]