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tr.v. in·su·lat·ed, in·su·lat·ing, in·su·lates
1. To prevent the passage of heat, electricity, or sound into or out of, especially by surrounding or covering with a nonconducting material: insulate an attic.
2. To cause to be in a detached or isolated position. See Synonyms at isolate.
[Latin īnsula, island + -ate.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.