Definitions of absorbent
  1. adjective
    having power or capacity or tendency to absorb or soak up something (liquids or energy etc.)
    “as absorbent as a sponge”
    synonyms: absorptive
    absorbefacient, sorbefacient
    inducing or promoting absorption
    assimilating, assimilative, assimilatory
    capable of taking (gas, light, or liquids) into a solution
    absorbing moisture (as from the air)
    able to absorb liquid (not repellent)
    having the capacity to absorb the energy of an impact
    spongelike, spongy
    like a sponge in being able to absorb liquids and yield it back when compressed
    able to take in large quantities of moisture
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    nonabsorbent, nonabsorptive
    not capable of absorbing or soaking up (liquids)
    repellent, resistant
    incapable of absorbing or mixing with
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  2. noun
    a material having capacity or tendency to absorb another substance
    synonyms: absorbent material
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    a porous mass of interlacing fibers that forms the internal skeleton of various marine animals and usable to absorb water or any porous rubber or cellulose product similarly used
    (physics) material in a nuclear reactor that absorbs radiation
    absorbent cotton
    cotton made absorbent by removal of the natural wax
    type of:
    sorbent, sorbent material
    a material that sorbs another substance; i.e. that has the capacity or tendency to take it up by either absorption or adsorption
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