Gold mine

//ˈɡoʊldˌmaɪn// noun

Definitions

Noun
  1. 1
    A mine for gold ore or metal.

    "South Africa has many goldmines."

  2. 2
    a mine where gold ore is found wordnet
  3. 3
    A very profitable economic venture. idiomatic

    "This oil deposit is a regular gold mine. We make more and more money every year!"

  4. 4
    a good source of something that is desired wordnet
  5. 5
    A plentiful stockpile of something sought-after. idiomatic

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

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