- to 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.
Origin of insulate
Examples from the Web for uninsulated
The interior sphere was insulated, the external one uninsulated.Faraday As A Discoverer
The free, uninsulated wire (except at supports) extended several hundred feet through the air.The Invention of the Track Circuit
American Railway Association
Straight ahead they went now, bending low, dodging elbows of big gas mains, on the alert for uninsulated electric wires.The Black Star
Thus the train, wherever it stands, bridges a gap separating the insulated from the uninsulated section.
- 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
Word Origin and History for uninsulated
1530s, "make into an island," from Latin insulatus, from insula (see insular). Sense of "cause a person or thing to be detached from surroundings" is from 1785. Electrical/chemical sense of "block from electricity or heat" is from 1742. Related: Insulated; insulating.