barium dioxide
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Definition
Noun: A white, toxic, inorganic chemical compound with the formula BaO₂. It is produced industrially by heating barium oxide (BaO) in the presence of air or oxygen. It is a strong oxidizing agent.
Usage
Barium dioxide is primarily used in industrial and laboratory contexts. It is not a common word in everyday conversation. - It is used in the production of hydrogen peroxide and as a source of oxygen. - It is handled with care due to its toxic and oxidizing properties.
Examples
- Noun:
- The laboratory ordered a new supply of barium dioxide for the oxidation experiments.
- When heated, barium dioxide decomposes to release oxygen.
- Proper safety gear is essential when handling barium dioxide.
Advanced Usage
- Chemical Synthesis: Barium dioxide serves as a precursor or reagent in various chemical syntheses, particularly where a controlled source of oxygen is needed.
- The old method of producing hydrogen peroxide involved reacting barium dioxide with sulfuric acid.
Variants and Related Words
- Barium peroxide: This is a direct synonym for barium dioxide, reflecting its chemical composition (BaO₂).
- Barium oxide (BaO): The compound from which barium dioxide is produced by heating in air.
Synonyms
- Barium peroxide: The most common technical synonym.
Notes on Meaning
The term refers specifically to the chemical compound BaO₂. It does not have idiomatic or figurative meanings. Its usage is confined to scientific fields such as chemistry, materials science, and industrial manufacturing.
Noun
- a white toxic powder obtained by heating barium oxide in air