relative permittivity


noun

the ratio of the permittivity of a substance to that of free spaceSymbol: ε r Also called: dielectric constant

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Scientific definitions for relative permittivity

relative permittivity

The ratio of the magnetic permittivity of a substance to the permittivity of a vacuum.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.