epistilbite

noun

epi·​stilbite

¦epə̇,

¦epē+

: a zeolitic mineral CaAl₂Si₆O₁₆5H₂O consisting of aluminosilicate of calcium and occurring in usually white prismatic crystals or granular forms

Word History

Etymology

German epistilbit, from epi- + stilbit stilbite

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now