A jar containing chalcanthite also called blue vitriol.
copper sulfate definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a blue, crystalline substance, CuSO·5HO, that effloresces and turns white when heated; blue vitriol: used in making pigments, germicides, batteries, etc.
copper sulfate definition by American Heritage Dictionary
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A poisonous blue crystalline copper salt, CuSO4·5H2O, used in agriculture, textile dyeing, leather treatment, electroplating, and the manufacture of germicides.
copper sulfate - Science Definition
A crystalline salt that is soluble in water and slightly soluble in alcohol. In its anhydrous form it is white, and in its hydrous form it is blue. Copper sulfate is used in agriculture, textile dyeing, leather treatment, electroplating, and the manufacture of germicides. In its blue form it is also called blue vitriol. Chemical formula: CuSO4·5H2O.