Definition of pyroaurite
: a mineral Mg6Fe2(OH)16CO3.4H2O that is a hydrous basic carbonate of magnesium and iron
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 pyroaurite
Swedish pyroaurit, from pyr- + Latin aurum gold + Swedish -it -ite; from its resemblance to gold after being heated — more at oriole
Seen and Heard
What made you want to look up pyroaurite? Please tell us where you read or heard it (including the quote, if possible).