Noun | 1. | adsorbent - a material having capacity or tendency to adsorb another substance sorbent, sorbent material - a material that sorbs another substance; i.e. that has the capacity or tendency to take it up by either absorption or adsorption |
Adj. | 1. | adsorbent - having capacity or tendency to adsorb or cause to accumulate on a surface nonadsorbent, nonadsorptive - lacking a capacity to adsorb or cause to accumulate on a surface |