D defs.my
Entry 1 sense Webster, 1913

Corrasion

/(k?r-r?"zh?n)/ · Cor·ra·sion · IPA
01 n. 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 …
  1. 1.
    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.(Geol.)