plural -s
: a mineral LiAlSiO4 consisting of a colorless or white lithium aluminum silicate occurring in hexagonal crystals (specific gravity 2.67)

Word History


Greek eukryptos easily hidden (from eu- + kryptos hidden) + English -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!

Dictionary Entries Near eucryptite

Cite this Entry

“Eucryptite.” Dictionary, Merriam-Webster, Accessed 27 May. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!