Definition of gold mine noun from the Oxford Advanced Learner's Dictionary


    gold mine

    BrE BrE//ˈɡəʊld maɪn//
    ; NAmE NAmE//ˈɡoʊld maɪn//
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  1. 1a place where gold is dug out of the ground
  2. 2a business or an activity that makes a large profit This restaurant is a potential gold mine.
See the Oxford Advanced American Dictionary entry: gold mine