Online dictionaryOnline dictionary
Synonyms, antonyms, pronunciation

  Home
English Dictionary      examples: 'day', 'get rid of', 'New York Bay'




Copperas   Listen
noun
Copperas  n.  Green vitriol, or sulphate of iron; a green crystalline substance, of an astringent taste, used in making ink, in dyeing black, as a tonic in medicine, etc. It is made on a large scale by the oxidation of iron pyrites. Called also ferrous sulphate. Note: The term copperas was formerly synonymous with vitriol, and included the green, blue, and white vitriols, or the sulphates of iron, copper, and zinc.






Collaborative International Dictionary of English 0.48








Advanced search
     Find words:
Starting with
Ending with
Containing
Matching a pattern  

Synonyms
Antonyms
Quotes
Words linked to  

only single words



Share |
Add this dictionary
to your browser search bar





"Copperas" Quotes from Famous Books



... larger combe consists of slopes of sand and gravel, with soft sand hummocks at the base; while on the western side and plateau is a mass of heather and gorse. Beyond Great Durley Chine is Alum Chine, the largest opening on this line of coast. Camden refers to it as "Alom Chine Copperas House". ...
— Bournemouth, Poole & Christchurch • Sidney Heath

... quarts of stale good beer, not porter. Three quarters of a pound fresh blue Aleppo galls, beaten. Four ounces of copperas. Four ounces of gum Arabic in powder. Two ounces ...
— The Mirror of Literature, Amusement, and Instruction, No. 484 - Vol. 17, No. 484, Saturday, April 9, 1831 • Various

... and although mixed considerably with sulphur, it is easily freed from that deleterious mineral by exposure to the atmosphere, and to the action of air and frost, and by this species of evaporation, a new and valuable commodity could be procured in great quantities, namely, the copperas of commerce. ...
— Diary in America, Series Two • Frederick Marryat (AKA Captain Marryat)



Copyright © 2024 Dictionary One.com