eroding

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun (geology) the mechanical process of wearing or grinding something down (as by particles washing over it)
verb become ground down or deteriorate
verb remove soil or rock

They result from corrosion in the barrel due to the hot gases and possibly corrosive primer mixtures in the cartridges used, and primarily again they result from wear, that is, an eroding of the barrel through friction due to the firing of cartridges, bullets through it. — Report of the President's Commission on the Assassination of President John F. Kennedy, United States. Warren Commission

erosion, eating away, wearing, wearing away

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