Absorbent is a process by which a substance takes in another substance.Antonyms for absorbent, roget's 21st Century Thesaurus, Third Edition Copyright 2013 by the Philip Lief Group.

Absorption can also be said to the process by which the energy of a photon is absorbed by another entity.Related formsabsorbency, nounnonabsorbency, nounnonabsorbent, adjective, nounpreabsorbent, adjective, nounsemiabsorbent, adjectiveunabsorbent, adjective m Unabridged Based on the Random House Unabridged Dictionary, Random House, Inc.The molecules are retained only on the surface.

Show More noun something that absorbs : Tons of high-powered absorbents were needed to clean up the oil spill.Having the ability or tendency to absorb ; able to soak up liquid easily; absorptive.