in·su·late

[in-suh-leyt, ins-yuh-]
verb (used with object), in·su·lat·ed, in·su·lat·ing.
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

non·in·su·lat·ing, adjective
pre·in·su·late, verb (used with object), pre·in·su·lat·ed, pre·in·su·lat·ing.
re·in·su·late, verb (used with object), re·in·su·lat·ed, re·in·su·lat·ing.
su·per·in·su·lat·ed, adjective
un·in·su·lat·ed, adjective
well-in·su·lat·ed, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To insulate
00:10
Insulate is always a great word to know.
So is ort. Does it mean:
a scrap or morsel of food left at a meal.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
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World English Dictionary
insulate (ˈɪnsjʊˌleɪt) [Click for IPA pronunciation guide]
 
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
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
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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Example sentences
They also help protect and insulate the body and its internal organs.
It is burned for heating and cooking, or used to insulate buildings.
It was used to insulate cables on newly developed radar devices.
He cultivates political ties that he hopes will insulate his business ventures
  from regulatory interference, these people say.
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