detritus

nouns

the remains of something that has been destroyed or broken up
debris, detritus, dust, junk, rubble
loose material (stone fragments and silt etc) that is worn away from rocks
detritus
is a type of (narrower)
the tangible substance that goes into the makeup of a physical object
"coal is a hard black material"; "wheat is the stuff they use to make bread"
material, stuff