insulation
Material that covers or fills something so that less heat, sound, or electricity can move through it.
Material that is used as a protective layer to reduce the transfer of heat, sound, or electricity through a surface or space.
The work of putting insulation into or onto something so that less heat, sound, or electricity can move through it.
The act or process of applying insulating material to a building, object, or system to reduce the transfer of heat, sound, or electricity.
A situation where someone or something is protected from what happens outside, such as problems, opinions, or changes.
A condition in which a person, group, or system is protected from or not affected by outside conditions, pressures, or influences, often used figuratively.
- Base: insulation
- Plural: insulation, insulations
cavity wall insulation
1insulation inside double walls
Insulation put into the space between two layers of an outside wall to stop heat leaving a building.
- We had cavity wall insulation installed to make the house more energy‑efficient.
- Grants are available to help homeowners pay for cavity wall insulation.
- Cavity wall insulation can reduce heat loss through external walls.
electrical insulation
1insulation that stops electricity flow
Insulation that stops electric current from moving where it should not go, for example around wires.
- The plastic coating on the cable provides electrical insulation.
- Damaged electrical insulation can cause short circuits and fires.
- Engineers tested the electrical insulation before switching on the system.
insulation against risk
1protection from possible danger
Protection that makes bad things, such as money loss or damage, less likely or less serious.
- Diversifying investments provides some insulation against risk.
- Strong cash reserves give the company insulation against risk during a downturn.
- Insurance offers a degree of insulation against risk for homeowners.
insulation from the outside world
1being shut off from others
A situation where a person or group is very separate from normal life and other people, and is not much affected by them.
- Life in the palace gave the king complete insulation from the outside world.
- Working remotely can create a feeling of insulation from the outside world.
- The small village enjoys a kind of insulation from the outside world.
loft insulation
1insulation in the roof space
Insulation material put on the floor of the space under the roof of a house to keep heat inside.
- Adding more loft insulation is one of the cheapest ways to save energy.
- The survey showed that the house needed new loft insulation.
- Old houses often have very thin or missing loft insulation.
sound insulation
1insulation that blocks noise
Insulation that is used to stop or reduce noise going through walls, floors, or ceilings.
- The apartment has poor sound insulation, so we can hear our neighbors talking.
- Extra sound insulation was added to the ceiling to make the office quieter.
- Studios need very good sound insulation for recording music.
thermal insulation
1insulation that controls heat flow
Insulation that is used to stop heat moving from one place to another.
- Good thermal insulation in the walls keeps the house warm in winter and cool in summer.
- The sleeping bag offers excellent thermal insulation even in freezing temperatures.
- Builders now focus on improving thermal insulation to cut energy costs.
thermal insulation
2Material that stops heat loss or gain
A material that keeps heat from moving in or out.
- The walls are filled with thermal insulation to keep the house warm.
- Good thermal insulation can lower heating costs.