to prevent or reduce the transmission of electricity, heat, or sound to or from (a body, device, or region) by surrounding with a nonconducting material to isolate or detach
WordReference Random House Learner's Dictionary of American English © 2025
in•su•late /ˈɪnsəˌleɪt, ˈɪnsyə-/USA pronunciation
v. [~ + object], -lat•ed, -lat•ing.
WordReference Random House Unabridged Dictionary of American English © 2025- 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•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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