gold mine

Language: en

Meaning: ; A mine for goldoreormetal.Hypernym:mineCoordinate terms:silver mine;coal mineSouth Africa has manygoldmines.; (idiomatic)A veryprofitableeconomicventure.This oil deposit is a regulargold mine. We make more and more money every year!1939December, John D. Hewitt, “Some Notable British Main Lines: II. Salisbury and Exeter, S.R.”, inRailway Magazine, page407: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 veritablegold mine.2019, Rana Foroohar,Don't Be Evil: The Case Against Big Tech‎[1], Penguin UK,→ISBN:[Hal Varian] went to work helping Page, Brin, and Schmidt develop more efficient auction algorithms and build the auction model that became such agold minefor Google.; (idiomatic)A plentifulstockpileof somethingsought-after.The Smithsonian Institution is agoldmineof knowledge, but like most mines, you have to dig for the good stuff.

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