insulate
Americanverb (used with object)
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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.
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to place in an isolated situation or condition; segregate.
verb
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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
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to isolate or detach
Other Word Forms
Derived Forms
Inflected Forms
Participles
Conjugated Forms
Present
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insulatesimple
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insulatessimple
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have insulatedperfect
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has insulatedperfect
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am insulatingprogressive
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are insulatingprogressive
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is insulatingprogressive
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have been insulatingperfect progressive
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has been insulatingperfect progressive
Past
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insulatedsimple
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had insulatedperfect
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was insulatingprogressive
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were insulatingprogressive
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had been insulatingperfect progressive
Future
Etymology
Origin of insulate
First recorded in 1530–40, insulate is from the Latin word insulātus made into an island. See insula, -ate 1
Explanation
The verb insulate means "protect from heat, cold, or noise," like when you add an extra layer of clothing to insulate yourself from the cold. You can insulate a wall to keep sound out, or insulate your house to keep cold air from getting inside. So, to insulate is to protect against unwanted changes. Sometimes this can mean keeping out the influence or beliefs of other people, like a parent who tries to insulate his children from people who have different cultures or beliefs. You can see this meaning in the origin of insulate: the Latin word insula, meaning “to make into an island.”
Vocabulary lists containing insulate
Conservation of Energy and Energy Transfer - Introductory
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This Week in Words: February 12 - 16, 2018
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Conservation of Energy and Energy Transfer - Middle School
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Insulate your eerie abode with eco-friendly materials that are as sustainable as they are effective.
From Seattle Times • Oct. 20, 2023
High Court injunctions were put in place after Insulate Britain's road blockades last year.
From BBC • Mar. 13, 2023
Take Insulate Britain, a group that began blocking roads in the United Kingdom last September, demanding that the government retrofit all U.K. homes to make them more energy-efficient.
From Salon • Dec. 21, 2022
Earlier this year a court order was obtained in response to protests carried out on the motorway - which encircles Greater London - by Insulate Britain.
From BBC • Nov. 6, 2022
However, although they exist within the same tendency of the environmental movement, Insulate Britain and Just Stop Oil now represent a strategic divergence with XR.
From Salon • Oct. 15, 2022
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
