- 1. A substance that adsorbs, i.e., a solid substance endowed with the property of attaching other substances to its surface without any covalent bonding, e.g., activated charcoal. 2. An antigen or antibody used in immune adsorption.
* * *ad·sor·bent -bənt adj having the capacity or tendency to adsorbadsorbent n a usu. solid substance that adsorbs another substance
* * *ad·sor·bent (ad-sorґbənt) 1. pertaining to or characterized by adsorption. 2. an agent that attracts other materials or particles to its surface by adsorption.
Medical dictionary. 2011.