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pyrrhotite

[ pir-uh-tahyt ]
/ ˈpɪr əˌtaɪt /

noun

a common mineral, iron sulfide, approximately FeS but variable because of a partial absence of ferrous ions, occurring in massive and in crystal forms with a bronze color and metallic luster; magnetic pyrites: generally slightly magnetic.

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Origin of pyrrhotite

1868; <Greek pyrrhót(ēs) redness + -ite1

Words nearby pyrrhotite

Pyrrha, pyrrhic, Pyrrhic victory, Pyrrho, Pyrrhonism, pyrrhotite, pyrrhuloxia, Pyrrhus, pyrrole, pyrrolidine, Pyrrophyta
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for pyrrhotite

British Dictionary definitions for pyrrhotite

pyrrhotite

pyrrhotine (ˈpɪrəˌtiːn, -ˌtaɪn, -tɪn)

/ (ˈpɪrəˌtaɪt) /

noun

a common bronze-coloured magnetic mineral consisting of ferrous sulphide in hexagonal crystalline form. Formula: FeS

Word Origin for pyrrhotite

C19: from Greek purrhotēs redness, from purrhos fiery, from pur fire
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012