- 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
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