Definition of uranopilite
: a mineral (UO2)6(SO4)(OH)10.12H2O that is a hydrous basic sulfate of uranium and occurs in yellow velvety incrustations composed of microscopic needlelike crystals
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of uranopilite
German uranopilit, from 2uran- + Greek pilos felt + German -it -ite — more at pile (hair)
Seen and Heard
What made you want to look up uranopilite? Please tell us where you read or heard it (including the quote, if possible).