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copper pyrites

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noun Mineralogy.
  1. chalcopyrite.

Origin of copper pyrites

First recorded in 1770–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for copper pyrites

Historical Examples

  • Thallium is a widely-diffused metal, being found in many minerals, particularly in iron- and copper-pyrites and native sulphur.

    Cooley's Practical Receipts, Volume II

    Arnold Cooley


British Dictionary definitions for copper pyrites

copper pyrites

noun
  1. (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

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