'Pyrrhotite' definitions:
Definition of 'pyrrhotite'
From: WordNet
noun
A brownish iron sulfide mineral (FeS) having weak magnetic properties [syn: pyrrhotite, pyrrhotine, magnetic pyrites]
Definition of 'Pyrrhotite'
From: GCIDE
- Pyrrhotine \Pyr"rho*tine\, Pyrrhotite \Pyr"rho*tite\, n. [Gr. ? flame-colored, fr. ? fire.] (Min.) A bronze-colored mineral, of metallic luster. It is a sulphide of iron, and is remarkable for being attracted by the magnet. Called also magnetic pyrites. [1913 Webster] pyrrol