pyrites

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

noun

, Mineralogy.

, plural py·ri·tes.

1. pyrite.
2. marcasite.
3. any of various other metallic sulfides, as of copper or tin.

pyrites

/ ˈpaɪraɪts; paɪˈraɪtiːz /

noun

1. See pyrite
   another name for pyrite
2. any of a number of other disulphides of metals, esp of copper and tin

Word History and Origins

Origin of pyrites¹

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

Example Sentences

Quartz, containing disseminated hematitic iron-ore and copper pyrites.

From Project Gutenberg

The apparatus is so easy of installation that it may be applied without much expense to pyrites furnaces already in operation.

From Project Gutenberg

When they are found combined by nature, the substance is called pyrites.

From Project Gutenberg

The primary sources of gold are reefs, either in quartz or in metalliferous veins of galena and the various pyrites.

From Project Gutenberg

Take three drachms of gum bdellium, put the stone pyrites on the coals, and let her take the fumes into her womb.

From Project Gutenberg