Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of insulator is as below...

Nonconductor :: Nonconductor (n.) A substance which does not conduct, that is, convey or transmit, heat, electricity, sound, vibration, or the like, or which transmits them with difficulty; an insulator; as, wool is a nonconductor of heat; glass and dry wood are nonconductors of electricity..

Insulator :: Insulator (n.) One who, or that which, insulates..

Vitrite :: Vitrite (n.) A kind of glass which is very hard and difficult to fuse, used as an insulator in electrical lamps and other apparatus..

Resistance :: Resistance (n.) A certain hindrance or opposition to the passage of an electrical current or discharge offered by conducting bodies. It bears an inverse relation to the conductivity, -- good conductors having a small resistance, while poor conductors or insulators have a very high resistance. The unit of resistance is the ohm..

Insulator :: Insulator (n.) The substance or body that insulates; a nonconductor.

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