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



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July 04, 2015
stringent Hear it
rigorous, strict, or severe
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