adsorbent adsorbent /ˈædzɔːrbənt/

adjective

1. Having capacity or tendency to adsorb or cause to accumulate on a surface  ( adsorbent , adsorptive , surface-assimilative )
   having capacity or tendency to adsorb or cause to accumulate on a surface
   

noun

1. A material having capacity or tendency to adsorb another substance  ( adsorbent , adsorbent material )
   a material having capacity or tendency to adsorb another substance