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Meaning of permittivity

per•mit•tiv•i•ty

Pronunciation: (pûr"mi-tiv'i-tē), [key]
— pl. -ties.
  1. the 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
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.