insulate

[ in-suh-leyt, ins-yuh- ]
/ ˈɪn səˌleɪt, ˈɪns yə- /
See synonyms for: insulate / insulated on Thesaurus.com

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.

QUIZZES

DISCOVER THE INFLUENCE OF PORTUGUESE ON ENGLISH VIA THIS QUIZ!

We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. Do you know what they mean?
Question 1 of 11
Which of the following animal names traces its immediate origin to Portuguese?

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. 2021

Example sentences from the Web for insulate

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