Dictionary

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

1868

Browse

Next Word in the Dictionary: arsenosoPrevious Word in the Dictionary: arsenoliteAll Words Near: arsenopyrite
April 01, 2015
diapause Hear it
a period of physiological dormancy
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears