- Insulate is defined as to separate or keep from others.
- 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.
A man insulates a building.Licensed from iStockPhoto
- 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: from Classical Latin insulatus, made like an island from insula, isle
Used by arrangement with John Wiley & Sons, Inc.
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: Latin īnsula, island + -ate1.