parsonsite

noun

par·​sons·​ite

ˈpärsᵊnˌzīt,

ˈpȧs-

plural -s

: a mineral Pb₂(UO₂)(PO₄)₂.2H₂O consisting of a hydrous lead uranyl phosphate found as a brownish powder in Shaba region (formerly Katanga Province, Democratic Republic of the Congo)

Word History

Etymology

French, from Arthur L. Parsons †1957 Canadian mineralogist + 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