noun
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another name for pyrite
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any of a number of other disulphides of metals, esp of copper and tin
Etymology
Origin of pyrites
1545–55; < Latin pyrītes (plural); pyrite
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
They made a small amount of pyrites containing radioactive sulphur and mixed it with a coke-oven charge of coal.
From Time Magazine Archive
Sulphur from pyrites deposits was largely ignored, since brimstone is cheaper and easier to use.
From Time Magazine Archive
She exports timber, pulp, cellulose; iron ore, pyrites, copper, nickel, molybdenum; fish, whale oil�products which Germany can use.
From Time Magazine Archive
A variety of shale or clay slate, containing iron pyrites, the decomposition of which leads to the formation of alum, which often effloresces on the rock.
From Webster's Unabridged Dictionary by Webster, Noah
It, therefore, differs from pyrites in colour and properties.
From De Re Metallica, Translated from the First Latin Edition of 1556 by Agricola, Georgius
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
