Synonyms: rubbing, friction, detrition
Definition: effort expended in moving one object over another with pressure
Similar words: effort, elbow grease, travail, sweat, exertion
Definition: use of physical or mental energy; hard work
Usage: he got an A for effort; they managed only with great exertion
Synonyms: grinding, detrition, abrasion, attrition
Definition: the wearing down of rock particles by friction due to water or wind or ice
Similar words: rubbing, friction
Definition: the resistance encountered when one body is moved in contact with another
Synonyms: abrasion, attrition, detrition, corrasion
Definition: erosion by friction
Similar words: eroding, erosion, eating away, wearing, wearing away
Definition: (geology) the mechanical process of wearing or grinding something down (as by particles washing over it)