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.

QUIZZES

WHO SAID IT: A QUIZ ON PRESIDENTIAL WIT AND WISDOM

Think you know your presidents? Take this quiz and see if you can match the style, wit, and ideology of these memorable lines to the right POTUS.
Question 1 of 9
“I do believe that the buck stops here, that I cannot rely upon public opinion polls to tell me what is right. I do believe that right makes might and that if I am wrong, 10 angels swearing I was right would make no difference.”

Origin of pyrrhotite

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