Superinsulated

insulate

[in-suh-leyt, ins-yuh-]
verb (used with object), insulated, insulating.
1.
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.
2.
to place in an isolated situation or condition; segregate.

Origin:
1530–40; < Latin insulātus made into an island. See insula, -ate1

noninsulating, adjective
preinsulate, verb (used with object), preinsulated, preinsulating.
reinsulate, verb (used with object), reinsulated, reinsulating.
superinsulated, adjective
uninsulated, adjective
well-insulated, adjective
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World English Dictionary
insulate (ˈɪnsjʊˌleɪt)
 
vb
1.  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
2.  to isolate or detach
 
[C16: from Late Latin insulātus: made into an island]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

insulate
1538, "make into an island," from L. insulatus (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. Insulation "insulating material" is from 1870.
Online Etymology Dictionary, © 2010 Douglas Harper
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