Definition of absorbent

  1. absorbent Adjective absorbing liquids; swallowing; absorptive.
  2. absorbent Noun Anything which absorbs.
  3. absorbent Noun 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.
  4. absorbent Noun The vessels by which the processes of absorption are carried on, as the lymphatics in animals, the extremities of the roots in plants.
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