n. Something which adsorbs, especially a solid material, such as activated carbon, that has a high surface area and is used to capture a gas or liquid
Word Usage
"The Cummins 6. 7-liter Turbo Diesel engine uses a Diesel Particulate Filter (DPF) to virtually eliminate particulate matter emissions and an adsorber catalyst to reduce oxides of nitrogen (NOx) by as much as 90 percent, in order to meet stringent 2010.5 diesel emissions requirements."