Definition of copper pyrites in English:

copper pyrites

Line breaks: cop¦per pyr|ites

noun

Another term for chalcopyrite.
More example sentences
  • Yet on his recovery, Gunnar realises that they are valuable copper pyrites, in sufficient quantity to restore the house's fortunes.
  • It is very difficult to separate iron pyrites, copper pyrites, mispickel, or sulphate of barium, from silver ores.
  • Both iron and copper pyrites contain sulphur and the Marquis with his usual enthusiasm decided to build a sulphuric acid plant at the site.

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Word of the day anastrophe
Pronunciation: əˈnastrəfi
noun
the inversion of the usual order of words...