Cupric sulfate is a chemical compound with the formula CuSO4. This inorganic salt is commonly used in the laboratory as a reagent, and it has a variety of industrial and biological functions. While there are not many synonyms for the specific term "cupric sulfate," there are some alternative names that can be used to refer to this compound. These include copper sulfate pentahydrate, blue vitriol, bluestone, and copper sulphate. Each of these terms describes the same chemical compound, but they may be used in different contexts depending on the specific application or industry. Regardless of the term used, cupric sulfate remains an important and useful chemical compound for a variety of purposes.