Definition of zeolite
: any of various hydrous silicates that are analogous in composition to the feldspars, occur as secondary minerals in cavities of lavas, and can act as ion-exchangers; also : any of various natural or synthesized silicates of similar structure used especially in water softening and as adsorbents and catalysts
Origin of zeolite
Swedish zeolit, from Greek zein to boil + -o- + Swedish -lit -lite, from French -lite — more at yeast
First Known Use: circa 1777
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