coal mine

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coal mine

A miner operates machinery inside a deep coal mine.

Definition
  1. Noun:
    • A place where coal is extracted from underground: A "coal mine" is an excavation or system of excavations in the earth from which coal is removed.
Usage
  • The term "coal mine" is used to describe the physical location and infrastructure for extracting coal. It is a compound noun.
  • It is typically used with articles ("a", "the") and prepositions ("in", "at", "of").
  • Example:
Examples
  • Noun:
    • The closure of the local coal mine affected the entire town's economy.
    • Safety is a major concern in every coal mine.
    • They toured an abandoned coal mine.
Advanced Usage
  • "Canary in a coal mine": This is an idiom. Historically, canaries were used in coal mines to detect toxic gases. The phrase now metaphorically refers to an early warning indicator of danger.
    • Rising inflation rates are a canary in a coal mine for the broader economy.
Variants and Related Words
  • Coalmining (noun): The process, business, or occupation of extracting coal from mines.
    • Coalmining was the region's primary industry.
  • Coal miner (noun): A person who works in a coal mine.
    • The coal miners went on strike.
  • Pit (noun): In some contexts, especially British English, "pit" can be synonymous with a coal mine.
    • He went down the pit at the age of sixteen.
Synonyms
  • Colliery (noun): A coal mine and its associated buildings and equipment. (More common in British English)
  • Coal pit (noun): Another term for a coal mine.
Related Phrases
  • Mine shaft: The vertical or near-vertical tunnel used for access to a coal mine.
  • Coal seam: A layer of coal within the rock strata that is mined.
coal mine

A miner operates machinery inside a deep coal mine.

Noun
  1. a mine where coal is dug from the ground

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