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Dictionary

in•su•la•tor

Pronunciation: (in'su-lā"tur, ins'yu-), [key]
—n.
1. Elect.
a. a material of such low conductivity that the flow of current through it is negligible.
b. insulating material, often glass or porcelain, in a unit form designed so as to support a charged conductor and electrically isolate it.
2. a person or thing that insulates.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

insulative

insulin

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