from The American Heritage® Dictionary of the English Language, 4th Edition
- 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.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A weakly magnetic ferrous sulfide mineral, FeS.
from The Century Dictionary and Cyclopedia
- n. Same as pyrrhotine.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a brownish iron sulfide mineral (FeS) having weak magnetic properties
Alteration (influenced by -ite1) of German Pyrrhotin, from Greek purrotēs, redness, from purros, fiery, from pūr, fire.(American Heritage® Dictionary of the English Language, Fourth Edition)