1) Material 2) Moisture collector 3) Sorbent material 4) Stuff 5) Synthetic material 
A sorbent is a material used to adsorb either liquids or gases.
A sorbent is a material used to absorb or adsorb liquids or gases. Examples include: ...
• (n.) An absorbent.
(from the article `oil spill`) ...a technique effective only in calm waters, involves various mechanisms that physically separate the oil from water and place the oil into ...
Sorb'ent noun [ Latin sorbens , present participle of sorbere to suck in, to absorb.] An absorbent. [ R.] 
[n] - a material that sorbs another substance
sorbent material noun a material that sorbs another substance; i.e. that has the capacity or tendency to take it up by either absorption or adsorption