Wearing away is a process of gradual destruction caused by natural elements such as wind, water, and ice, or by human activities such as farming and construction. The term EROSION (7 letters) refers to the wearing away of land surfaces due to the action of water, wind, or ice. Eroding (7 letters) is the process of gradually wearing away the surface of something. ABRASION (8 letters) is the process of wearing away a surface by rubbing or grinding it with another material. EROSIVE (7 letters) describes the process of wearing away a surface by chemical or mechanical action. Erodent (7 letters) is an adjective used to describe something that erodes or wears away. FRICTION (8 letters) is the force that resists the relative motion of two surfaces in contact.