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单词 permittivity
释义

WordReference Random House Unabridged Dictionary of American English © 2024
per•mit•tiv•i•ty  (pûr′mi tivi tē),USA pronunciation n., pl. -ties. 
  1. Electricitythe ratio of the flux density produced by an electric field in a given dielectric to the flux density produced by that field in a vacuum. Also called dielectric constant, relative permittivity, specific inductive capacity. 
  • permit + -ive + -ity 1885–90

Collins Concise English Dictionary © HarperCollins Publishers::
permittivity /ˌpɜːmɪˈtɪvɪtɪ/ n ( pl -ties)
  1. a measure of the response of a substance to an electric field, expressed as the ratio of its electric displacement to the applied field strength; measured in farads per metre
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