coal-pit

Miners work inside a deep coal-pit.

Definition

1. Noun:
   • Coal mine: "coal-pit" refers to a pit or excavation from which coal is extracted, typically an underground mine rather than a surface mine.

Usage Examples

• Noun:
  • The miners descended into the dark coal-pit each morning. (The miners went down into the underground coal mine.)
  • The old coal-pit was abandoned after the coal seam was exhausted. (The coal mine was no longer used once all the coal was removed.)

Advanced Usage

• "coal-pit" as a historical term: In the 19th and early 20th centuries, "coal-pit" was commonly used to describe a small, often dangerous underground coal mine.
  • The village economy depended entirely on the local coal-pit. (The village's livelihood relied on the nearby coal mine.)

Variants and Related Words

• Coal mine (noun): a broader term for any excavation where coal is extracted, including both surface and underground mines.
  • The coal mine employed hundreds of workers. (The excavation for coal had many employees.)
• Pit (noun): a general term for a deep hole in the ground, often used in mining contexts.
  • They dug a pit to reach the coal seam. (They excavated a hole to access the coal layer.)

Synonyms

• Coal mine: a place where coal is dug from the earth.
• Colliery: a coal mine and its associated buildings and equipment.

Related Idioms

• "Canary in a coal pit": a metaphorical reference to the historical use of canaries in coal mines to detect toxic gases; now used to mean an early warning sign of danger.
  • The rising unemployment rate is a canary in a coal pit for the economy. (It serves as an early warning of economic trouble.)