permittivity | Energy Glossary

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1. n. [Geophysics]

The ability of a material to store a charge from an applied electrical field without conducting electricity.

Synonyms: electrical permittivity

See: dielectricelectromagnetic method

2. n. [Formation Evaluation]

The degree to which a medium resists the flow of electric charge, defined as the ratio of the electric displacement to the electric field strength. It is more common to use the relative dielectric permittivity.

Synonyms: dielectric constantdielectric permittivity

See: dielectric propagation logelectromagnetic propagationpropagation resistivity