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The act or operation of eroding or eating away.

A system of natural drainage developed by the constituent streams through headwater erosion.

orhood of an object. Hills of circumdenudation, hills which have been produced by surface erosion; the elevations which have been left, after denudation of a mass of high ground. Jukes.

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.

Any narrow channel or groove; as, a gutter formed by erosion in the vent of a gun from repeated firing. Gutter member (Arch.), an architectural member made by treating the outside face of the gutter in a decorative fashion, or by crowning it with ornaments, regularly spaced, like a diminutive battlement. -- Gutter pla…

f material by volcanic eruption, the circulation of underground water, and the process of erosion and deposition. It is, therefore, regarded as a third mobile envelope comparable with the hydrosphere and atmosphere.

A land surface reduced by erosion to the general condition of a plain, but not wholly devoid of hills; a base-level plain.

ind, and running parallel with the direction of the wind. This formation results from the erosion of transverse waves previously formed.