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1. Oxford American Dictionary

   Brinell hardness test

   • IPA[brəˌnel ˈhärdnəs ˌtest]

   美式

   • n.
     a test to determine the hardness of metals and alloys by hydraulically pressing a steel ball into the metal and measuring the resulting indentation.

   • noun: Brinell hardness test, plural noun: Brinell hardness tests