simpsonite

noun
simp·​son·​ite | \ ˈsim(p)sᵊnˌīt \
plural -s

Definition of simpsonite

: a mineral AlTaO4 consisting of an oxide of aluminum and tantalum in short hexagonal crystals

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!

History and Etymology for simpsonite

Edward S. Simpson †1939 Australian mineralogist + English -ite

Learn More About simpsonite

Dictionary Entries Near simpsonite

Simpson's stopper

simpsonite

Sims

See More Nearby Entries 

Statistics for simpsonite

Cite this Entry

“Simpsonite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/simpsonite. Accessed 26 Nov. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Love words? Need even more definitions?

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