dielectric
noun(di-elec-tric)
a nonconductor of direct electric current
dielectric
noun(di-elec-tric)
permittivity
dielectric
noun(di-elec-tric)
the rapid and uniform heating throughout a nonconducting material by means of a high-frequency electromagnetic field
dielectric
noun(di-elec-tric)
the ability of a material to store electrical potential energy under the influence of an electric field measured by the ratio of the capacitance of a capacitor with the material as dielectric to its capacitance with vacuum as dielectric —called also dielectric constant