Dielectric n. (Elec.) Any substance or medium that transmits the electric force by a process different from conduction, as in the phenomena of induction; a nonconductor, separating a body electrified by induction, from the electrifying body.
...Dielectric. A non-conductor for an electric current, but through which electro-static induction will take place. For example: glass and rubber ... — Electricity for Boys • J. S. Zerbe
... no longer to question him. In the dielectric, the green sparks and spurts of living flame began to crackle and to hiss like living spirits ... — Darkness and Dawn • George Allan England
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