Definition of taaffeite
: a rare mineral BeMgAl4O16 consisting of oxide of beryllium, magnesium, and aluminum and resembling mauve-colored spinel
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 taaffeite
Count Edward Charles Richard Taaffe, born 1898 Irish gemmologist born in Bohemia who first found it as a faceted gem + English -ite
Seen and Heard
What made you want to look up taaffeite? Please tell us where you read or heard it (including the quote, if possible).