Bentonite

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

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

From WordNet (r) 2.0 [wn]:



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