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.
Also called dielectric constant, relative permittivity, specific inductive capacity.

Origin of permittivity

First recorded in 1885–90; permit1 + -ive + -ity

British Dictionary definitions for dielectric constant (1 of 2)

dielectric constant

noun

another name for relative permittivity

British Dictionary definitions for dielectric constant (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 metre Symbol: ε See also relative permittivity, electric constant

Scientific definitions for dielectric constant

permittivity
[ pûr′mĭ-tĭvĭ-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.