absorbent
/əbˈzɔrbənt/
/əbˈsɔrbənt/
adjective
(of a material) able to soak up liquid easily.
drain on absorbent paper towels
porous,spongy,sponge-like,permeable,pervious,absorptive,penetrable,assimilative,receptive,soaking,blotting
noun
A substance or item that soaks up liquid easily.
There was a bit of a leak from the tanker so we put absorbents down to soak up the spillage, of about half a litre, and put a barrier up around the vehicle.