permittivity
[ pur-mi-tiv-i-tee ]
/ ˌpɜr mɪˈtɪv ɪ ti /
noun, plural per·mit·tiv·i·ties.
Electricity. 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.
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Nearby words
permissible, permission, permissive, permissivism, permit, permittivity, permonosulfuric acid, permutate, permutation, permutation group, permute
Also called dielectric constant, relative permittivity, specific inductive capacity.
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for relative permittivity (1 of 2)
relative permittivity
noun
the ratio of the permittivity of a substance to that of free spaceSymbol: ε r Also called: dielectric constant
British Dictionary definitions for relative permittivity (2 of 2)
permittivity
/ (ˌpɜːmɪˈtɪvɪtɪ) /
noun plural -ties
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 metreSymbol: ε See also relative permittivity, electric constant
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Science definitions for relative permittivity (1 of 2)
relative permittivity
The ratio of the magnetic permittivity of a substance to the permittivity of a vacuum.
Science definitions for relative permittivity (2 of 2)
permittivity
[ pûr′mĭ-tĭv′ĭ-tē ]
A measure of the ability of a material to resist the formation of an electric field within it, equal to the ratio between the electric flux density and the electric field strength generated by an electric charge in the material.
The American Heritage® Science Dictionary
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