insulate

[ in-suh-leyt, ins-yuh- ]
/ ˈɪn səˌleɪt, ˈɪns yə- /

verb (used with object), in·su·lat·ed, in·su·lat·ing.

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

First recorded in 1530–40, insulate is from the Latin word insulātus made into an island. See insula, -ate1

OTHER WORDS FROM insulate

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for insulate

insulate
/ (ˈɪnsjʊˌleɪt) /

verb (tr)

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 for insulate

C16: from Late Latin insulātus: made into an island
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012