schallerite

noun

schal·​ler·​ite

ˈshaləˌrīt

plural -s

: a mineral Mn₈Si₆O₁₈(AsO₃)(OH).3¹/₂ H₂O(?) consisting of a hydrous basic silicate and arsenite of manganese

Word History

Etymology

Waldemar T. Schaller, born 1882 American mineralogist + English -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