copper pyrites
Americannoun
noun
Etymology
Origin of copper pyrites
First recorded in 1770–80
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.
One piece must contain copper pyrites and the other zincites.
From The Boy Mechanic: Volume 1 700 Things for Boys to Do by Popular Mechanics Co.
About Mambulao cupro-ferruginous quartz and copper pyrites are found, but are not worked.
From The Inhabitants of the Philippines by Sawyer, Frederic H.
Simon was too distracted to heed, and Alan went hastily up to the rooms, where he found some copper pyrites in process of oxidation, giving forth volumes of strangling sulphur smoke.
From Masters of the Guild by Lamprey, L.
Magnetic pyrites, copper pyrites, zinc blende and arsenical pyrites are other and less important examples, the last constituting the gold ore formerly worked in Silesia.
From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" by Various
Quartz, containing disseminated hematitic iron-ore and copper pyrites.
From Narrative of a Survey of the Intertropical and Western Coasts of Australia Performed between the years 1818 and 1822 — Volume 2 by King, Phillip Parker
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.
