absorbent material

Definitions of absorbent material
  1. noun
    a material having capacity or tendency to absorb another substance
    synonyms: absorbent
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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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