aguilarite

noun

agui·​lar·​ite

ˌä-gə-ˈlär-ˌīt

plural -s

: a mineral consisting of silver selenide-sulfide Ag₄SeS (hardness 2, specific gravity 7.59)

Word History

Etymology

P. Aguilar, flourished 1892 Mexican mine superintendent + English -ite

First Known Use

1891, in the meaning defined above

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