ə.ˈtrīd.əs, a.ˈ-, -ītəs noun
( -es )
Etymology: New Latin, from Latin, act of rubbing against, rubbing away, from attritus past participle of atterere to rub against, rub away — more at attrite
: 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