What is another word for hydraulic action?
Pronunciation: [ha͡ɪdɹˈɔːlɪk ˈakʃən] (IPA) 
Hydraulic action is the process in which water erodes soil and rock by the force of moving water. There are several synonyms for hydraulic action, including erosion, ablation, scouring, and corrosion. Erosion refers to the wearing away of the surface of the earth by the action of water, wind, or other natural agents. Ablation refers to the removal of material from a surface by erosion or melting. Scouring is the process of removing material from a surface by abrasive action, while corrosion is the gradual destruction of materials by chemical reaction with their environment. All these words have similar meaning to hydraulic action and are used interchangeably in geology and earth science.
