n.
A yellow mineral, essentially CuFeS2, that is an important ore of copper. Also called copper pyrites.
[New Latin chalcopyrites : Greek khalkos, copper + PYRITES.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
