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WordReference Random House Unabridged Dictionary of American English © 2024in•su•la•tor (in′sə lā′tər, ins′yə-),USA pronunciation n. - 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.
- insulate + -or2 1795–1805
Collins Concise English Dictionary © HarperCollins Publishers:: insulator /ˈɪnsjʊˌleɪtə/ n - any material or device that insulates, esp a material with a very low electrical conductivity or thermal conductivity or something made of such a material
in•su•late /ˈɪnsəˌleɪt, ˈɪnsyə-/USA pronunciation v. [~ + object], -lat•ed, -lat•ing. - Buildingto cover or separate with a material that prevents or reduces the passage of heat, electricity, or sound:They insulated the pipes and windows.
- to protect (someone) too much:You can't insulate your children from evil forever.
in•su•la•tor, n. [countable]The cord acts as an insulator. WordReference Random House Unabridged Dictionary of American English © 2024in•su•late (in′sə lāt′, ins′yə-),USA pronunciation v.t., -lat•ed, -lat•ing. - Buildingto cover, line, or separate with a material that prevents or reduces the passage, transfer, or leakage of heat, electricity, or sound:to insulate an electric wire with a rubber sheath; to insulate a coat with down.
- to place in an isolated situation or condition;
segregate.
- Latin insulātus made into an island. See insula, -ate1
- 1530–40
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