Nearby words
iron meteorite, iron mold, iron out, iron pan, iron putty, iron pyrites, iron rations, iron sights, iron sponge, iron sulfate, iron, ralph
Origin of iron pyrites
First recorded in 1795–1805
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for iron pyrites
Analyses usually, however, show the presence of more iron, owing to the intimate admixture of iron-pyrites.
British Dictionary definitions for iron pyrites
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