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
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 William Blacker
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 Eliza Leslie
The copperas water screwed up my palate and my tongue like eating unripe bananas does, only a lot worse.
From The Boy With the U.S. Miners by Francis Rolt-Wheeler
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 Georgius Agricola
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