#absorbent_material__absorbentmaterial__absorbent  a material having capacity or tendency to absorb another substance
  supertype:  sorbent_material__sorbentmaterial__sorbent  a material that sorbs another substance; i.e. that has the capacity or tendency to take it up by either absorption or adsorption
  subtype:  sponge  a porous mass of interlacing fibers the forms the internal skeleton of various marine animals and usable to absorb water or any porous rubber or cellulose product similarly used
  subtype:  absorber  (physics) material in a nuclear reactor that absorbs radiation
  subtype:  absorbent_cotton__absorbentcotton__cotton_wool  cotton made absorbent by removal of the natural wax

No statement uses or specializes absorbent_material; click here to add one.