absorbent

Having the ability or tendency to absorb; able to soak up liquid easily; absorptive.

“Those paper towels were amazingly absorbent. That was quite a spill.”

Having power or capacity or tendency to absorb or soak up something (liquids or energy etc.)

“as absorbent as a sponge”

Anything which absorbs.

physiologypluralizednow rareThe vessels by which the processes of absorption are carried on, as the lymphatics in animals, the extremities of the roots in plants.

medicineAny substance which absorbs and neutralizes acid fluid in the stomach and bowels, as magnesia, chalk, etc.; also a substance, e.g., iodine, which acts on the absorbent vessels so as to reduce enlarged and indurated parts.

chemistryA liquid used in the process of separating gases or volatile liquids, in oil refining.

A material having capacity or tendency to absorb another substance