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

     

    gold standard

     noun
    noun
    BrE
     
    ; NAmE
     
     
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  1. 1(also the gold standard) [singular] an economic system in which the value of money is based on the value of gold the ending of the gold standard in 1931
  2. 2[usually singular] a high level of quality that others try to copy Articles like his are the gold standard of news reporting. It wasn’t just any private jet but one that would become the gold standard.
See the Oxford Advanced American Dictionary entry: gold standard