proving ground

noun

Definition of proving ground

1 :a place for scientific experimentation or testing (as of vehicles or weapons)
2 :a place where something is developed or tried out

First Known Use of proving ground

circa 1890


PROVING GROUND Defined for English Language Learners

proving ground

noun

Definition of proving ground for English Language Learners

  • : a place where things or people are tested or tried out for the first time

  • : a place where scientific testing is done


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