blue vitriol

/'blu:'vitriəl/

Thân thiện

A student carefully adds blue vitriol to a beaker of water during a chemistry experiment.

Definition

1. 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.)

Học thuật

Noun

1. hydrated blue crystalline form of copper sulfate

Từ đồng nghĩa

• blue copperas
• blue stone
• chalcanthite