copperas
Americannoun
noun
Etymology
Origin of copperas
1400–50; late Middle English coperas, variant of Middle English coperose < Medieval Latin ( aqua ) cuprōsa copperish (water). See copper 1, -ose 1
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.
Early mine operators realized that they could also extract copper from copperas.
From Washington Times • Jul. 3, 2017
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The copperas solution is easily prepared by hanging a basket containing about sixty pounds of copperas in a barrel of water.
From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various
With the addition of copperas it yields a black dye.
From The New Gresham Encyclopedia. Vol. 1 Part 1 A to Amide by Various
Boil a small quantity of copperas with logwood, and it will dye gut properly.
From Blacker's Art of Fly Making, &c. Comprising Angling, & Dyeing of Colours, with Engravings of Salmon & Trout Flies by Blacker, William
Premises.—Cellars, yards, stables, gutters, privies, cesspools, water-closets, drains, sewers, etc. should be frequently and liberally treated with copperas solution.
From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 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.