barrandite

noun

bar·​ran·​dite

bəˈranˌdīt,

ˈbarən-

plural -s

: a mineral (Fe,Al)Po₄.2H₂O consisting of a pale-gray hydrous phosphate of iron and aluminum belonging to the isomorphous series strengite-variscite

Word History

Etymology

French barrandite, from Joachim Barrande †1883 French geologist + French -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!