coal mine
Definition
- 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.
Noun
-
a mine where coal is dug from the ground
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