blue vitriol
/'blu:'vitriəl/
Definition
- Noun:
- A hydrated blue crystalline form of copper sulfate: "Blue vitriol" is a chemical compound, specifically copper(II) sulfate pentahydrate (CuSO₄·5H₂O), known for its bright blue color and crystalline structure.
Usage Examples
- Noun:
- The chemistry student synthesized blue vitriol in the laboratory.
- Blue vitriol is commonly used in agriculture as a fungicide and in school experiments.
- The bright blue color of the solution confirmed the presence of blue vitriol.
Advanced Usage
- Technical/Industrial Context: The term is primarily used in chemistry, agriculture, and industrial settings rather than in everyday conversation.
- The old recipe for dyeing fabric called for blue vitriol as a mordant.
Variants and Related Words
- Copper sulfate (noun): The more general chemical name for the compound, which can be anhydrous (white) or hydrated (blue).
- Bluestone (noun): A common synonym for blue vitriol, especially in agricultural and gardening contexts.
- Cupric sulfate (noun): Another technical name for the same compound.
Synonyms
- Bluestone
- Copper(II) sulfate pentahydrate
- Cupric sulfate pentahydrate
Related Phrases
(This term is a specific chemical compound and does not have idiomatic or phrasal verb uses.)
Noun
-
hydrated blue crystalline form of copper sulfate
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