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insulate

in·su·late

insulate

 
pronunciation:
In s leIt
features:
Word History
part of speech: transitive verb
inflections: insulated, insulates, insulating
definition 1: to cover, line, or surround with a substance that reduces or stops the transfer of heat, electricity, or sound.
similar words:
muffle
definition 2: to protect, usu. by isolating.
His parents insulated him from the evils of the world.
Word History
The word insulate comes from insulare, a Latin word that means "to make something like an island."