iron pyrites
Americannoun
Etymology
Origin of iron pyrites
First recorded in 1795–1805
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.
There are two substances which look exceedingly like gold;—copper and iron pyrites, substances familiar to most of us.
From Harper's New Monthly Magazine Vol. IV, No. 19, Dec 1851 by Various
The ore at the latter place is auriferous iron pyrites, called by the natives Inga.
From The Inhabitants of the Philippines by Frederic H. Sawyer
Sulphur in iron pyrites also acts as a reducing agent upon litharge, and increases the apparent effect in a similar manner.
From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" by Various
Should there be much iron pyrites in the Lignite, it is sure, sooner or later, to decompose, when all that can be done is to throw it away.
From Sea-Weeds, Shells and Fossils by Peter Gray
The washed sample is then fused in the usual way to determine the proportion of sulphur existing as iron pyrites.
From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" by Various
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.
