to attract and bind (molecules of a substance in a fluid) so as to form a thin layer on the surface, by non-electrostatic forces; to bind by adsorption. Distinguished from absorb, in which the foreign substance penetrates the body of the absorbing material. [WordNet 1.5]
absorb, assimilate, blot, blot up, chemisorb, chemosorb, digest, drink, drink in, drink up, engross, filter in, imbibe, infiltrate, osmose, percolate in, seep in, slurp up, soak in, soak up, sorb, sponge, swill up, take in, take up
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