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  1. proving ground

    • IPA[ˈpro͞oviNG ˌɡround]

    美式

    • n.
      an environment that serves to demonstrate whether something, such as a theory or product, really works;a military facility for the testing of materiel and equipment
    • noun: proving ground, plural noun: proving grounds

    • 釋義

    名詞

    • 1. an environment that serves to demonstrate whether something, such as a theory or product, really works Bay County is the proving ground for a new gutter-cleaning vacuum
    • a military facility for the testing of materiel and equipment Aberdeen Proving Ground