pyrites

[ pahy-rahy-teez, puh-, pahy-rahyts ]

/ paɪˈraɪ tiz, pə-, ˈpaɪ raɪts /

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noun, plural py·ri·tes.Mineralogy.

pyrite.

marcasite.

any of various other metallic sulfides, as of copper or tin.

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Origin of pyrites

1545–55; <Latin pyrītes (plural); see pyrite

Words nearby pyrites

pyridoxine, pyriform, pyrimethamine, pyrimidine, pyrite, pyrites, pyritohedron, pyro, pyrobitumen, pyroborate, pyrocatechol

How to use pyrites in a sentence

Quartz, containing disseminated hematitic iron-ore and copper pyrites.
Narrative of a Survey of the Intertropical and Western Coasts of Australia] [Volume 2 of 2]|Phillip Parker King
The apparatus is so easy of installation that it may be applied without much expense to pyrites furnaces already in operation.
Scientific American Supplement No. 299|Various
When they are found combined by nature, the substance is called pyrites.
Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry|Joseph Priestley
The primary sources of gold are reefs, either in quartz or in metalliferous veins of galena and the various pyrites.
The Terms of Surrender|Louis Tracy

Take three drachms of gum bdellium, put the stone pyrites on the coals, and let her take the fumes into her womb.
The Works of Aristotle the Famous Philosopher|Anonymous

British Dictionary definitions for pyrites

pyrites

/ (paɪˈraɪtiːz, in combination ˈpaɪraɪts ) /

noun plural -tes

another name for pyrite

any of a number of other disulphides of metals, esp of copper and tin

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