pyrites

noun
py·​rites | \pə-ˈrī-tēz, pī-;ˈpī-ˌrīts \
plural pyrites

Definition of pyrites 

: any of various metallic-looking sulfides of which pyrite is the commonest

Other Words from pyrites

pyritic \ pə-​ˈri-​tik , pī-​ \ adjective

First Known Use of pyrites

before the 12th century, in the meaning defined above

History and Etymology for pyrites

Latin, flint, from Greek pyritēs of or in fire, from pyr fire

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The first known use of pyrites was before the 12th century

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