noun er·i·o·nite \ˈerēəˌnīt\

Definition of erionite



  1. :  a mineral NaKCaAl4Si12O32.12H2O consisting of zeolitic aluminosilicate of sodium, potassium, and calcium occurring in aggregates of orthorhombic fibrous white crystals resembling wool (specific gravity 2)

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Origin and Etymology of erionite

Greek erion wool + English -ite — more at erineum

Seen and Heard

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a rounded knoll or a ridge of ice

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