attritus
noun
at·tri·tus
| \ ə‧ˈtrītəs, a‧ˈ-, -ītəs\
plural -es
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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