coal mine
Americannoun
-
coal mines
plural
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of coal mine
First recorded in 1605–15
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The blaze, which killed 28 people, comes shortly after similar incidents at a coal mine and another at a fireworks factory.
From The Wall Street Journal ● Jul. 14, 2026
Measles is the canary in the coal mine for vaccination and public health, and at this moment, the canary is singing a doleful tune.
From Los Angeles Times ● Jul. 3, 2026
Or were they particularly fragile canaries in an epidemiological coal mine?
From The Wall Street Journal ● Jun. 9, 2026
A properly designed coal mine is "fully capable of preventing an explosion through systematic safeguards," explains Hong Chen, a professor at Jiangnan University's Institute for National Security and Green Development.
From BBC ● May 31, 2026
But his face was a wasteland, as if his best years had been spent working in a coal mine.
From "Bodega Dreams" by Ernesto Quinonez
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
