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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I am tired of nosing drains and buying copperas and hounding the latent plumber that he adjust the water-pipes.
From Rosemary and Rue by Amber
Buy at a druggist's four ounces of the best blue Aleppo nut-galls; half an ounce of green copperas; and half an ounce of clean, white gum-arabic.
From The Ladies' Guide to True Politeness and Perfect Manners or, Miss Leslie's Behaviour Book by Leslie, Eliza
Sprays April 1, April 30, and June 1, with London purple, copperas, Paris green, and Bordeaux mixture.
From The Apple by Various
Among them was Cornelius Devoz, to whom was granted the privilege of "mining and digging in our Realm of England for allom and copperas."
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.