gold mine

Definitions

1. 1

   A mine for gold ore or metal.

   • South Africa has many goldmines.
2. 2

   A very profitable economic venture.

   • This oil deposit is a regular gold mine. We make more and more money every year!
   • The possessors of Salisbury & Yeovil Railway shares had ample compensation for the anxiety which the first few years of the company's existence had given them, for the concern proved a veritable gold mine.
   • [Hal Varian] went to work helping Page, Brin, and Schmidt develop more efficient auction algorithms and build the auction model that became such a gold mine for Google.
3. 3

   A plentiful stockpile of something sought-after.

   • The Smithsonian Institution is a goldmine of knowledge, but like most mines, you have to dig for the good stuff.

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