Definition

1. Noun:
   • Rock fragments and pebbles: "Crushed rock" refers to small pieces of rock, typically produced by mechanically breaking down larger rocks. It is often used as a construction material.

Usage

• Noun:
  • "Crushed rock" is used as a base material for roads and pathways.
  • It is a common aggregate in concrete and asphalt mixes.
  • The term describes the material's processed, fragmented state, as opposed to natural gravel or solid bedrock.

Examples

• Noun:
  • The driveway was paved with a layer of crushed rock.
  • We need to order more crushed rock for the foundation of the building.
  • The path through the garden is made of fine crushed rock.

Advanced Usage

• "to be laid with crushed rock": to have a surface covered with this material.
  • The parking lot was laid with crushed rock for better drainage.

Variants and Related Words

• Gravel (n): a similar material of loose rock fragments, often naturally occurring or from riverbeds, but sometimes used interchangeably with "crushed rock" in casual contexts.
• Aggregate (n): a broad term for granular material used in construction, which includes crushed rock, sand, and gravel.
• Crushed stone (n): a synonym for "crushed rock," often used in technical or industrial contexts.

Synonyms

• Macadam: a type of road construction material historically made of compacted layers of crushed stone.
• Ballast: crushed stone or gravel used to form a stable base, especially for railway tracks.

Related Phrases

• Crushed rock base: a specific layer of crushed rock used as a foundation in construction.
  • The engineer specified a six-inch crushed rock base for the new road.
• Crushed rock fines: the very small particles and dust resulting from the crushing process.
  • The crushed rock fines help to compact the larger pieces together.

Noun

1. rock fragments and pebbles