arsenopyrite
noun
ar·se·no·py·rite ˌär-sə-nō-ˈpī-ˌrīt 
: 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
Word History
Etymology
borrowed from German Arsenopyrit, borrowed from New Latin arsenopyrites, from arsenicum arsenic entry 1 + -o- -o- + pyrites pyrites
First Known Use
1854, in the meaning defined above
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- Alexievich
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- alexipharmic
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- Alexis I Mikhaylovich
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- aleyrodeses
- aleyrodesses
- aleyrodid
- Aleyrodidae
- aleyrodidaes
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