Search Result for "gibbsite": 
Wordnet 3.0

NOUN (1)

1. white crystalline mineral consisting of aluminum hydroxide; a constituent of bauxite and a source of alumina; 



The Collaborative International Dictionary of English v.0.48:

Gibbsite \Gibbs"ite\, n. [Named after George Gibbs.] (Min.)
   A hydrate of alumina.
   [1913 Webster]


WordNet (r) 3.0 (2006):

gibbsite
    n 1: white crystalline mineral consisting of aluminum hydroxide;
         a constituent of bauxite and a source of alumina