insulate


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in·su·late

(in'sŭ-lāt),
To prevent the passage of electric or radiant energy by the interposition of a nonconducting substance.
[L. insulatus, made like an island]
References in periodicals archive ?
If you insulate them internally, the Energy Saving Trust says that the saving will be about PS445 a year, or PS475 if you insulate them externally (based on the same three-bed, gas-heated semi).
INsulate gives companies in data-intensive or transaction-oriented industries the ability to profile and validate data, especially those transactions over which they have no control, e.g., streaming data arriving via the Internet.
They must transmit visible light, reflect solar energy, block ultraviolet radiation that causes fading, reduce street noise, and insulate against heat loss.
When you go out in the cold, you have no fur to fluff up to insulate yourself.