menilite

noun

men·​i·​lite

ˈmenᵊlˌīt

plural -s

: an impure opal in brown or dull grayish concretions

Word History

Etymology

French ménilite, from Ménilmontant parish (now part of Paris), France + French -ite

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