Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

dufrenoysite

noun
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

Share dufrenoysite

Dictionary Entries near dufrenoysite

duffle coat

Duffy

dufrenite

dufrenoysite

dufter

dufterdar

duftery

Statistics for dufrenoysite

Look-up Popularity

Comments on dufrenoysite

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

Show Comments  Hide Comments 

WORD OF THE DAY

epitome

a typical or ideal example

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
True or False

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

TAKE THE QUIZ
SCRABBLE® Sprint

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!

Words at Play

Ask the Editors

Word Games