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1. Oxford American Dictionary

   penetrometer

   • IPA[ˌpenəˈträmədər]

   美式

   • n.
     an instrument for determining the consistency or hardness of a substance by measuring the depth or rate of penetration of a rod or needle driven into it by a known force.

   • noun: penetrometer, plural noun: penetrometers

2. • 更多解釋

   penetrometer

   • IPA[ˌpɛnɪˈtrɒmɪtə]

   英式

   • n.
     an instrument for determining the consistency or hardness of a substance by measuring the depth ...

   Oxford Dictionary