Detrition

n.

1.

A wearing off or away. Phonograms which by process long-continued detrition have reached a step of extreme simplicity. - I. Taylor (The Alphabet).

Noun	1.	detrition - erosion by friction Synonyms: attrition, corrasion, abrasion
	2.	detrition - the wearing down of rock particles by friction due to water or wind or ice Synonyms: attrition, grinding, abrasion
	3.	detrition - effort expended in rubbing one object against another Synonyms: friction, rubbing

abrasion, attrition, corrasion, eating away, eroding, erosion, wearing, wearing away