Noun detritus has 2 senses
  1. debris, dust, junk, rubble, detritus - the remains of something that has been destroyed or broken up
    --1 is a kind of rubbish, trash, scrap
    --1 has particulars: slack
  2. detritus - loose material (stone fragments and silt etc) that is worn away from rocks
    --2 is a kind of
    material, stuff
,
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