dielectric
/daɪˈɛlɛktrɪk/Definitions
1. noun
A non-conductive substance, such as a gas, liquid, or solid, that can store electric charge and supports the formation of an electric field.
“The dielectric properties of the material made it useful for insulation in electrical circuits.”
2. adjective
Relating to or characterized by the properties of a dielectric substance.
“The dielectric coating on the capacitor helped to reduce energy losses.”