Meaning of zeolite

ze•o•lite

Pronunciation: (zē'u-līt"), [key]
— n. Mineral.
  1. any of a group of hydrated silicates of aluminum with alkali metals, commonly occurring as secondary minerals in cavities in basic volcanic rocks: used for their molecular sieve properties because they undergo dehydration with little or no change in crystal structure.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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