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.
HULUNBUIR, China—The self-driving electric trucks rumbling around the coal mine have battery packs so big they could power a typical American home for three weeks.
From The Wall Street Journal ● Oct. 30, 2026
Cooper argues the backlog for hyperscalers signals strong future revenue visibility and that at this stage, credit markets are not yet a canary in the coal mine.
From MarketWatch ● Oct. 27, 2026
Scientists compare the idea to a canary in a coal mine, because changes there may offer an efficient way to detect broader shifts in the climate regulating circulation.
From Science Daily ● Sep. 23, 2026
He was taken to Zabrze in Poland, where he was put to work as a prisoner of war in a coal mine.
From BBC ● Sep. 21, 2026
The road out of town led past the coal mine, and Jack blew the bus horn at the tipple.
From "October Sky" by Homer Hickam
Random Word
Spin the wheel and learn a new word!
Get a wordDefinitions 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.
