Definitions
1.nounAnything which absorbs.
2.noun(pluralized) The vessels by which the processes of absorption are carried on, as the lymphatics in animals, the extremities of the roots in plants.
3.nounAny 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.
4.nounA liquid used in the process of separating gases or volatile liquids, in oil refining.
5.adjectiveHaving the ability or tendency to absorb; able to soak up liquid easily; absorptive."Those paper towels were amazingly absorbent. That was quite a spill."