pyrrhotite

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pyr·rho·tite

 (pĭr′ə-tīt′) also pyr·rho·tine (-tīn′)
n.
A brownish-bronze iron sulfide mineral, FeS, characterized by weak magnetic properties and used as an iron ore and in the manufacture of sulfuric acid. Also called magnetic pyrites.

[Alteration (influenced by -ite) of German Pyrrhotin, from Greek purrotēs, redness, from purros, fiery, from pūr, fire; see paəwr̥ in Indo-European roots.]

pyrrhotite

(ˈpɪrəˌtaɪt) or

pyrrhotine

n
(Minerals) a common bronze-coloured magnetic mineral consisting of ferrous sulphide in hexagonal crystalline form. Formula: FeS
[C19: from Greek purrhotēs redness, from purrhos fiery, from pur fire]

pyr•rho•tite

(ˈpɪr əˌtaɪt)

n.
a bronze-colored magnetic mineral, iron sulfide, occurring in massive and in crystal forms.
[1868; < Greek pyrrhót(ēs) redness + -ite1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pyrrhotite - a brownish iron sulfide mineral (FeS) having weak magnetic propertiespyrrhotite - a brownish iron sulfide mineral (FeS) having weak magnetic properties
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition