- pyrite; fool's gold.
Origin of iron pyrites
First recorded in 1795–1805
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for iron pyrites
Historical Examples of iron pyrites
Analyses usually, however, show the presence of more iron, owing to the intimate admixture of iron-pyrites.
- another name for pyrite
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