gold mine

American  

noun

1. a mine yielding gold.

2. a source of great wealth or profit, or any desirable thing.

3. a copious source or reserve of something required.

   a gold mine of information about antiques.

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gold mine British  

noun

1. a place where gold ore is mined

2. a source of great wealth, profit, etc

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gold mine Idioms  

1. A rich, plentiful source of wealth or some other desirable thing, as in That business proved to be a gold mine, or She's a gold mine of information about the industry. [First half of 1800s]

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Other Word Forms

• gold-miner
  noun
• gold-mining
  noun

Etymology

Origin of gold mine

late Middle English word dating back to 1425–75

Example Sentences

Jobs had to realize his gold mine before the market would credit Apple with a gold mine.

From The Wall Street Journal • May 8, 2026

Last July, 18 workers were rescued from an unlicensed gold mine after having been trapped underground for 18 hours due to a mechanical failure.

From BBC • May 5, 2026

US company Flagship Gold Corp. signed an agreement with Mali in October to take over a gold mine in Morilla.

From Barron's • Apr. 8, 2026

Are the Dodgers baseball’s version of a gold mine?

From Los Angeles Times • Mar. 26, 2026

To many of his fellow agents, Bill Harvey's gold mine suddenly seemed like a mirage.

From "Spies: The Secret Showdown Between America and Russia" by Marc Favreau