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copper pyrites

See more synonyms for copper pyrites on Thesaurus.com
noun Mineralogy.
  1. chalcopyrite.
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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. 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
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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