- mont|mo|ril|lon|ite
- mont|mo|ril|lon|ite «MONT muh RIHL uh nyt», noun.one of a group of mineral clays, a silicate of aluminum and certain other elements, used because of its absorbent structure for various industrial purposes and for safely disposing of radioactive waste materials.╂[< Montmorillon, a town in France, where it is found + -ite1]
Useful english dictionary. 2012.