单词 | permeameter |
释义 | permeameter/ˌpəːmɪˈamɪtə/noun 1 Physics. An instrument for measuring the magnetic permeability of a substance or object. 2Chiefly Soil Science and Geology. An instrument for measuring the permeability of a substance, especially soil, to liquids or gases. OriginLate 19th century; earliest use found in Silvanus Thompson (1851–1916), physicist and electrical engineer. From permea- + -meter. |
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