- 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
Examples from the Web for insulate
The perils of a heroin addiction for a user who is without the means to "insulate" themselves from disease and crime are many.The White Collar Heroin Problem
February 4, 2014
With Watergate closing in, Nixon fired Haldeman and Ehrlichman in a fruitless effort to insulate himself.The Nixon Home Movies: Glimpses of Tragedy in ‘Our Nixon’
August 24, 2013
We insulate ourselves from such natural volatility at our own peril.A Manifesto for Disorder: Nassim Nicholas Taleb’s ‘Antifragile’ Reviewed
November 26, 2012
Both candidates push the zombie notion that an energy-independent U.S. can insulate itself from global disruptions.Both Candidates Push Myth of Energy Independence
November 1, 2012
They also insulate and isolate conservatives from real-world policy debates.David's Book Club: What Are Liberals Thinking?
July 13, 2012
These, when dry, insulate almost, but not quite as well as solid paraffin.On Laboratory Arts
Be sure to insulate all joints and wires well inside the box.The Boy Mechanic, Book 2
I frankly don't know how we could insulate the peas from the effects of the saltpetre.The Idiot at Home
John Kendrick Bangs
By means of the ribbon he held the cord to insulate it from his hand.The Story of Great Inventions
Elmer Ellsworth Burns
We are to be conductors of the Divine energy; not to insulate it.The Life of the Spirit and the Life of To-day
- 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 and History for insulate
1530s, "make into an island," from Latin insulatus, from insula (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. Related: Insulated; insulating.