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1. Oxford American Dictionary

   porosity

   • IPA[pəˈräsədē]

   美式

   • n.
     the quality or degree of having minute spaces or holes through which liquid or air may pass

   • noun: porosity

2. • 釋義

   n.

   名詞

   • 1. the quality or degree of having minute spaces or holes through which liquid or air may pass clays may have twice the porosity of sands improve your soil's porosity by digging in some compost when you plant
3. • 更多解釋

   porosity

   • IPA[pɔːˈrɒsɪti]

   英式

   • n.
     the quality or degree of having minute spaces or holes through which liquid or air may pass: clays may have twice the porosity of sands improve your soil's porosity by digging in some compost when you plant

   Oxford Dictionary