insulator

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈɪnsjʊˌleɪtə/US:USA pronunciation: respellingUSA pronunciation: respelling(insə lā′tər, insyə-)


WordReference Random House Unabridged Dictionary of American English © 2020
in•su•la•tor  (insə lā′tər, insyə-),USA pronunciation n. 
  1. 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.
  2. a person or thing that insulates.
  • insulate + -or2 1795–1805

Collins Concise English Dictionary © HarperCollins Publishers::
insulator /ˈɪnsjʊˌleɪtə/ n
  1. 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
WordReference Random House Learner's Dictionary of American English © 2020
in•su•late /ˈɪnsəˌleɪt, ˈɪnsyə-/USA pronunciation   v. [+ object], -lat•ed, -lat•ing. 
  1. Buildingto cover or separate with a material that prevents or reduces the passage of heat, electricity, or sound:They insulated the pipes and windows.
  2. 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 © 2020
in•su•late  (insə lāt′, insyə-),USA pronunciation v.t.,  -lat•ed, -lat•ing. 
  1. 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.
  2. to place in an isolated situation or condition;
    segregate.
  • Latin insulātus made into an island. See insula, -ate1
  • 1530–40

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