copper pyrites


noun Mineralogy.

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Origin of copper pyrites

First recorded in 1770–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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British Dictionary definitions for copper pyrites

copper pyrites
/ (ˈpaɪraɪts) /

noun

(functioning as singular) another name for chalcopyrite
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