Definition of attritus
: matter pulverized or finely divided by attrition; specifically : one of the constituents of durain consisting of a macerated plant debris including leaves, bark, cuticle, spore and pollen extines, resins, and mineral matter
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Origin and Etymology of attritus
New Latin, from Latin, act of rubbing against, rubbing away, from attritus past participle of atterere to rub against, rub away — more at attrite
First Known Use: 1818
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