ebonite

[ eb-uh-nahyt ]

/ ˈɛb əˌnaɪt /

vulcanite.

Origin of ebonite

First recorded in 1860–65; ebon(y) + -ite¹

To make this action easier a "sole," or metal conductor, is often placed under the ebonite.

The Study of Elementary Electricity and Magnetism by Experiment |Thomas M. St. John
The Insulating Table consists of a tin box (exactly like that used for the electrophorus cover), and an ebonite rod about 1¾ in.

The Study of Elementary Electricity and Magnetism by Experiment |Thomas M. St. John
To use the electrophorus, the ebonite is given a negative charge by striking it with fur or flannel.

The New Gresham Encyclopedia |Various
In a central hole of an ebonite casing is fixed a permanent magnet, M.

How it Works |Archibald Williams

If the ebonite is withdrawn without touching the tray, the latter will be found to be unelectrified.

Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 |Various

ebonite

/ (ˈɛbəˌnaɪt) /

another name for vulcanite