After the tragic Arizona shooting, the word “vitriol” was everywhere in the news. What is its literally dangerous meaning?After Saturday’s shocking attack on Arizona lawmaker Gabrielle Giffords and a crowd of bystanders, an unusual word proliferated through all forms of media. Shortly after the shooting tragedy, Pima County Sheriff Clarence Dupnik cited “vitriolic rhetoric” as a potential source for the violence. This article is not about politics or the relationship of media and violence in American culture. The topic at hand, of course, …
copRead more in this article about some frequently asked questions and fun facts related to our definitions.
- copper naphthenate,
- copper penny,
- copper pyrites,
- copper river,
- copper spot,
- copper sulphate,
- copper-sulfate method
Origin of copper sulfate
First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.