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

Etymology

Origin of gold mine

late Middle English word dating back to 1425–75

Example Sentences

See Examples For:

gold mine

About 27 miles to the south of Tonopah, near the town of Goldfield, a new gold mine is set to open in 2028.

From Los Angeles Times ● Jun. 14, 2026

While there, he met officials from the Tuprag gold mine in Usak, which is owned by Vancouver-based Eldorado Gold.

From Barron's ● May 15, 2026

He executed wonderfully on the possibilities of technology and the commercial environment, even so stumbling into a gold mine to trump all gold mines, the iPhone.

From The Wall Street Journal ● May 8, 2026

You can also say the world may have seen its last Elon Musk if there isn’t a Tim Cook in the wings to deliver the gold mine at the end of the Musk rainbow.

From The Wall Street Journal ● May 8, 2026

Johannesburg was a city built up around the discovery of gold on the Witwatersrand in 1886, and Crown Mines was the largest gold mine in the city of gold.

From "Long Walk to Freedom" by Nelson Mandela