Cite
 

Meaning of montmorillonite

mont•mo•ril•lon•ite

Pronunciation: (mont"mu-ril'u-nīt"), [key]
— n.
  1. any of a group of clay minerals characterized by the ability to expand when they absorb large quantities of water. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.