calcium sulphate
Definition
- Noun:
- A white salt (CaSO₄): A chemical compound consisting of calcium, sulfur, and oxygen, often found in nature as gypsum or anhydrite. It is used in construction materials, as a desiccant, and in food preparation.
Usage Examples
- Noun:
- Plaster of Paris is made from calcium sulphate.
- The soil's high content of calcium sulphate affected its fertility.
- Calcium sulphate is used as a coagulant in tofu production.
Advanced Usage
- In industrial contexts: Often referred to by its mineral forms.
- The wallboard is manufactured using gypsum, a hydrated form of calcium sulphate.
- In scientific notation: Represented by the chemical formula CaSO₄.
- The reaction yields a precipitate of calcium sulphate.
Variants and Related Words
- Calcium sulfate: The American English spelling variant.
- Gypsum (n): The dihydrate form of calcium sulphate (CaSO₄·2H₂O), a soft mineral used for plaster.
- Anhydrite (n): The anhydrous (water-free) mineral form of calcium sulphate (CaSO₄).
- Plaster of Paris (n): A hemihydrate form of calcium sulphate (CaSO₄·½H₂O) produced by heating gypsum, used for casts and molds.
Synonyms
- Gypsum (when referring to the common dihydrate mineral form).
- Anhydrite (when referring to the anhydrous mineral form).
Related Phrases/Compounds
- Calcium sulphate dihydrate: The full chemical name for gypsum.
- Calcium sulphate hemihydrate: The full chemical name for Plaster of Paris.
Noun
-
a white salt (CaSO4)
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