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1. Oxford Dictionary

   diffusivity

   • IPA[ˌdɪfjuːˈsɪvɪti]

   英式

   • n.
     a measure of the capability of a substance or energy to be diffused or to allow something to pass by diffusion

   • noun: diffusivity, plural noun: diffusivities

2. • 釋義

   n.

   名詞

   • 1. a measure of the capability of a substance or energy to be diffused or to allow something to pass by diffusion the diffusivity of heat the two components should have different diffusivities