Electricity. a material of such low conductivity that the flow of current through it is negligible.insulating material, often glass or porcelain, in a unit form designed so as to support a charged conductor and electrically isolate it.
a person or thing that insulates.
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The synthetic fiber insulation comes close to the weight and packability of down, and its fibers contain Aerogel, a very porous, very light material that’s one of the best insulators ever created.
If that sounds like a strange direction to go down, it isn’t—a material that’s a terrible heat conductor could make a superb insulator, and materials like it could play a key role in bringing the world to net-zero greenhouse gas emissions.
An insulator is a material that doesn’t transmit energy easily.
Wool not only makes for great performance wear, but it’s also the ideal camper insulator for its ability to retain warmth, reduce energy loss and noise, and resist mold and mildew.
It’s very light, can absorb immense heat, and is an effective insulator.
The sheath surrounding the nerves acts as an electrical insulator, increasing neural speed by 100-fold.
It was more than a question of finding the perfect electrical insulator, though that would be handy too.
A wire was led through an insulator, so that the stream of electricity could be subjected to experiment in the Hut.
The insulators are of glass, protected by a wooden shield, of the pattern known as the Wade insulator.
For the insulation of the wires he recommended gutta-percha, which was then becoming known as an insulator.
In 1854 he introduced the pneumatic dispatch into London, and, in 1856, he patented his well-known double-cup insulator.