Online Encyclopedia


Online Encyclopedia
Originally appearing in Volume V08, Page 209 of the 1911 Encyclopedia Britannica.
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DIELECTRIC, in electricity, a non-conductor of electricity; it is the same as insulator. The " dielectric constant " of a medium is its specific inductive capacity, and on the electromagnetic theory of light it equals the square of its refractive index for light of infinite wave length (see ELECTROSTATICS; MAGNETO-OPTICS).
End of Article: DIELECTRIC

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