bentonite

2 definitions found

bentonite - Collaborative International Dictionary of English v.0.48 :

  bentonite \bentonite\ n.
     an absorbent aluminum silicate clay formed from volcanic ash.
     [WordNet 1.5]

bentonite - WordNet (r) 2.1 (2005) :

  bentonite
      n 1: an absorbent aluminum silicate clay formed from volcanic
           ash