Encyclopedia
Dielectric Permittivity
Dielectric permittivity is a quantity characterizing the dielectric properties of a substance, scalar for isotropic substances and tensorial for anisotropic substances, the product of which with the electric field strength equals the electric displacement
Source: "ELECTRICAL ENGINEERING. TERMS AND DEFINITIONS OF BASIC CONCEPTS. GOST R 52002-2003"
(approved by Decree of the State Standard of Russia dated 09.01.2003 No. 3-st)