recrement

noun

rec·​re·​ment

ˈrekrəmənt

plural -s

: superfluous matter separated from that which is useful : dross, scoria

the recrement of ore

Word History

Etymology

Middle French or Latin; Middle French recrement, from Latin recrementum, from re- + cre- (stem of cernere to separate, sift) + -mentum -ment

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