copper pyrites

copper pyrites

n.

See chalcopyrite.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

copper pyrites

(ˈpaɪraɪts)

n

(Minerals) (functioning as singular) another name for chalcopyrite

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

chal•co•py•rite

(ˌkæl kəˈpaɪ raɪt)

n.

a common mineral, copper iron sulfide, CuFeS₂, occurring in brass-yellow crystals or masses: the most important ore of copper; copper pyrites.

[1825–35]

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

Thesaurus

Noun

1.

copper pyrites - a yellow copper ore (CuFeS2) made up of copper and iron sulfide chalcopyrite atomic number 29, copper, Cu - a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition

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