from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A mineral with monoclinic crystals, usually white but can have different colors, Al(OH)3.
from the GNU version of the Collaborative International Dictionary of English
- n. A hydrate of alumina.
from The Century Dictionary and Cyclopedia
- n. A hydrate of aluminium, a whitish mineral, found, in Massachusetts in irregular stalactitic masses, presenting an aggregation of elongated tuberous branches, parallel and united: also found in the Ural and elsewhere, in monoclinic crystals, and often called hydrargillite. Its structure is fibrous, the fibers radiating from an axis.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. white crystalline mineral consisting of aluminum hydroxide; a constituent of bauxite and a source of alumina
Gibbs + -ite after George Gibbs (1777-1834) in 1822. (Wiktionary)