- Adjective. absorbing liquids; swallowing; absorptive.
- Noun. Anything which absorbs.
- Noun. (context, medicine) Any 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.
- Noun. (context, physiology) The vessels by which the processes of absorption are carried on, as the lymphatics in animals, the extremities of the roots in plants.