plural -s
: a mineral (Li, Na)AlPO4(F, OH) consisting of basic lithium aluminum phosphate commonly containing sodium and fluorine and occurring in white cleavable masses

Word History


German amblygonit, from Greek amblygōnios obtuse-angled (from ambly- + -gōnios, from gōnia angle) + German -it -ite

First Known Use

1820, in the meaning defined above

Time Traveler
The first known use of amblygonite was in 1820

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 amblygonite

Cite this Entry

“Amblygonite.” Dictionary, Merriam-Webster, Accessed 20 May. 2024.

Love words? Need even more definitions?

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