Dictionary
alu'minum chlo'ride
Chem.
a yellow-white, crystalline, water-soluble solid that in its white hydrated form, AlCl
3·6H
2O, is used chiefly as a wood preservative and in its yellow-white anhydrous form, AlCl
3, chiefly as a catalyst.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.