insulate

Insulate is defined as to separate or keep from others.

(verb)

An example of insulate is wrapping vegetables in foil before grilling them next to a steak.
An example of insulate is wrapping a hot water heater to prevent the heat of the water from escaping into the air.

See insulate in Webster's New World College Dictionary

to set apart; detach from the rest; isolate
to separate or cover with a nonconducting material in order to prevent the passage or leakage of electricity, heat, sound, radioactive particles, etc.

Origin: < L insulatus, made like an island < insula, isle

See insulate in American Heritage Dictionary 4

transitive verb in·su·lat·ed, in·su·lat·ing, in·su·lates

To cause to be in a detached or isolated position. See Synonyms at isolate.
To prevent the passage of heat, electricity, or sound into or out of, especially by surrounding with a nonconducting material.

Origin:

Origin: Latin īnsula, island

Origin: + -ate¹

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