Barium Sulphate (noun)
Definition:
Barium sulphate is a chemical compound that appears as a white or colorless mineral. Its chemical formula is BaSO₄. It is mainly used in various industries and is known for being a white, insoluble powder. This means it does not dissolve in water. Barium sulphate is often used as a pigment (a substance that gives color) and in medical imaging because it can block X-rays, making it useful for taking pictures of the intestines.
Usage Instructions:
When using "barium sulphate" in a sentence, it is often in a scientific or medical context. You can say it when discussing its properties, uses, or applications.
Example Sentences: 1. "Barium sulphate is used in X-ray imaging to help doctors see the digestive system more clearly." 2. "The painter chose barium sulphate as a pigment because of its bright white color."
Advanced Usage:
In scientific discussions, you might encounter terms like "radiopaque," which describes substances that do not allow X-rays or similar radiation to pass through. Barium sulphate is a common example of this property.
Word Variants:
- Barium (the element, symbol: Ba) - Sulphate (the ion, SO₄²⁻) - Barium sulfate (the American English spelling)
Different Meanings:
While "barium sulphate" specifically refers to this chemical compound, "barium" alone can refer to the element itself, which has various applications in different fields, such as chemistry and physics.
Synonyms:
There are no direct synonyms for "barium sulphate," but related terms might include: - Barite (a mineral form of barium sulphate) - Radiopaque agent (in medical contexts)
Idioms and Phrasal Verbs:
There are no specific idioms or phrasal verbs associated directly with "barium sulphate," as it is a technical term. However, in a more general sense, you might hear phrases like "to take X-rays" or "to undergo imaging," which relate to its medical uses.
Conclusion:
Barium sulphate is a versatile compound used in various fields, primarily in medicine for imaging and as a pigment in paints.