gold mine

American  

noun

• gold mines
  plural

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

Derived Forms

• gold-miner
  noun
• gold-mining
  noun

Inflected Forms

Nouns

• gold mines
  plural

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Etymology

Origin of gold mine

late Middle English word dating back to 1425–75

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Example Sentences

See Examples For:

gold mine

Witnesses described hearing what they said sounded like an explosion at the open-air artisanal gold mine on Wednesday afternoon, moments before the workers below were trapped.

From BBC ● Aug. 20, 2026

It’s also where some people want to build a gold mine.

From The Wall Street Journal ● Aug. 15, 2026

In December, Washington pledged $1.25 billion for Balochistan's Reko Diq copper and gold mine.

From Barron's ● Jul. 17, 2026

JPMorgan decided to not put its own money into L3Harris, but it has so far invested in a gold mine in Idaho and a San Diego-based manufacturer of fighter drones powered by artificial intelligence.

From The Wall Street Journal ● Jun. 30, 2026

The old stone tunnels changed to dirt with cedar beams, like a gold mine or something.

From "The Battle of the Labyrinth" by Rick Riordan

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