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English
insulation
ˌɪnsəˈleɪʃ(ə)n, ˌɪn.səˈleɪ.ʃən, ˌɪnsjʊˈleɪʃən, ˌɪnsəˈleɪʃən
Meaning: material used to prevent heat or sound from passing
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Example
Installing better insulation in the attic can help reduce your energy bills.
Installing better insulation in the attic can help reduce your energy bills.
Usage Notes
Refers to materials (like fiberglass or foam) used to keep a building warm or cool, or to block noise.
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