ianthinite

noun

ian·​thi·​nite

ēˈan(t)thəˌnīt,

īˈ-

plural -s

: a mineral 2UO₂.7H₂O consisting of a hydrous uranium dioxide and occurring as violet orthorhombic crystals

Word History

Etymology

German ianthinit, from Latin ianthinus + German -it -ite

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.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!