arsenopyrite

noun ar·se·no·py·rite \ ˌär-sə-nō-ˈpī-ˌrīt \

Definition of arsenopyrite

: a silver-white mineral consisting of a combined sulfide and arsenide of iron that occurs in prismatic orthorhombic crystals or in masses or grains and that is the principal source of arsenic

First Known Use of arsenopyrite

1854

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Learn More about arsenopyrite


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

a lighting electrician on a movie set

Get Word of the Day daily email!

Test Your Vocabulary

The Eponym Quiz

  • rubens-painting
  • Which is the best synonym of bowdlerize?
Spell It

Can you spell these 10 commonly misspelled words?

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!