pyrrhotite

[pir-uh-tahyt]
noun
  1. 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.

Origin of pyrrhotite

1868; < Greek pyrrhót(ēs) redness + -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for pyrrhotite

Historical Examples of pyrrhotite


British Dictionary definitions for pyrrhotite

pyrrhotite

pyrrhotine (ˈpɪrəˌtiːn, -ˌtaɪn, -tɪn)

noun
  1. 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