margarosanite

noun
mar·​ga·​ro·​san·​ite | \ ˌmärgəˈrōsᵊnˌīt \
plural -s

Definition of margarosanite

: a mineral PbCa2(SiO3)3 consisting of a lead calcium silicate occurring in colorless lamellar masses

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 margarosanite

Greek margaron pearl + sanis board + English -ite; from its pearly luster and lamellar structure; probably akin to Greek sathē penis, sainein to wag the tail, Old English thūma thumb

Keep scrolling for more

Learn More about margarosanite

Statistics for margarosanite

Cite this Entry

“Margarosanite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/margarosanite. Accessed 27 Sep. 2020.

Comments on margarosanite

What made you want to look up margarosanite? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Challenging Vocabulary Quiz Returns!

  • stylized drawing of woman pole vaulting across gap to get trophy
  • Which is a synonym of fuliginous?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

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!