Merriam-Webster Logo
SINCE 1828
dictionary
thesaurus
view recents

dufrenoysite

noun
Save Word
du·​fre·​noy·​site | \ ˌd(y)üfrəˈnȯiˌzīt \
plural -s

Definition of dufrenoysite

: a lead-gray mineral Pb2As2S5 consisting of a compound of lead arsenic sulfide occurring in orthorhombic crystals or massive

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 dufrenoysite

French dufrénoysite, irregular from O.P.A. Petit-Dufrénoy + French -ite

Keep scrolling for more

Learn More About dufrenoysite

Statistics for dufrenoysite

Cite this Entry

“Dufrenoysite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dufrenoysite. Accessed 22 Jun. 2021.

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

WORD OF THE DAY

miasma

Listen to the pronunciation of miasma

See Definitions and Examples »

Test Your Vocabulary

Return of Name that Color!

  • a light greenish blue color
  • Name that color:
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
AlphaBear 2

Spell words. Make bears.

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!

Words at Play
Ask the Editors
Word Games