uranospinite

noun

ura·​nos·​pi·​nite

ˌyu̇rəˈnäspəˌnīt

plural -s

: a mineral Ca(UO₂)₂(AsO₄)₂.8H₂O that is a hydrous calcium uranium arsenate, occurs in green tabular crystals, and is isomorphous with zeunerite, torbernite, autunite, saléeite, and uranocircite

Word History

Etymology

German uranospinit, from uran- entry 2 + Greek spinos chaffinch (taken to mean siskin) + German -it -ite; from its color resembling that of the siskin

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