noun
insulation
in-suh-LAY-shuhn/ˌɪnsəˈleɪʃn/
A barrier limiting the transmission of outside energy or influence.
Thick fibrous insulation fills the wall cavity to limit heat transfer.
Etymology
The island image became the idea of separating something from its surroundings. “Insulation” named the action of blocking heat or electricity, then the material used to create that protective separation.
In context
I'm also adding sound and fire insulation to the interior walls
More examples
- The studio's insulation keeps traffic noise out.
- Plastic insulation around the wire protects you from electric shocks.
- Great wealth provides some insulation from everyday financial worries.
Forms
insulation
insulate verb — To block heat, sound, electricity, or outside influence.
Similar words
- shielding
- Often blocks radiation or interference rather than heat or sound.
- protection
- Covers any defense against harm, not specifically blocked transfer.