superphosphate
Definition
- Noun:
- A fertilizer: "superphosphate" refers to a type of chemical fertilizer that is high in phosphorus, typically made by treating phosphate rock with sulfuric or phosphoric acid. It is used to improve soil fertility and promote plant growth.
Usage Examples
- Noun:
- Farmers often apply superphosphate to fields to increase crop yields. (A phosphorus-rich fertilizer used in agriculture.)
- The garden soil was deficient in phosphorus, so the gardener added superphosphate. (A specific fertilizer to correct nutrient deficiency.)
Advanced Usage
"Single superphosphate": a common form containing about 16–20% phosphorus, produced by treating phosphate rock with sulfuric acid.
- Single superphosphate is widely used for cereal crops. (A standard, moderately concentrated fertilizer.)
"Triple superphosphate": a more concentrated form containing about 44–48% phosphorus, made by treating phosphate rock with phosphoric acid.
- Triple superphosphate is preferred for soils that need a high phosphorus boost. (A highly concentrated fertilizer variant.)
Variants and Related Words
Superphosphate (n): the base term, often used interchangeably with "superphosphate fertilizer."
- The soil test recommended adding superphosphate. (The fertilizer itself.)
Phosphate (n): a related compound containing phosphorus, often a component of superphosphate.
- Phosphate is essential for plant energy transfer. (A broader chemical substance.)
Synonyms
- Phosphatic fertilizer: a general term for fertilizers containing phosphorus.
- Ammonium phosphate: another type of phosphorus-rich fertilizer (though chemically different).
Phrasal Verbs
- Apply superphosphate: to spread or add the fertilizer to soil.
- The farmer applied superphosphate before planting. (Spread the fertilizer on the land.)
Related Idioms
- No direct idioms: "superphosphate" is a technical term and does not appear in common idiomatic expressions.