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insulator

UK:^*^*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈɪnsjʊˌleɪtə/US:USA pronunciation: respellingUSA pronunciation: respelling(in′sə lā′tər, ins′yə-)

in•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.

in•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

'insulator' also found in these entries (note: many are not synonyms or translations):

boron nitride - cork - diatomite - dielectric - energy band - expanded - hole - perlite - semiconductor - amber - bead - break - breakdown voltage - fiberglass - flashover - Josephson junction - leakage - metal oxide semiconductor - Muscovite - myelin sheath - petticoat insulator - polystyrene - standoff

In Lists: Power/electricity, Electricity terms, more...

Synonyms: nonconductor, nonconveyor, insulation, more...

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⇱ insulator - WordReference.com Dictionary of English

insulator