insulation
Pronunciation
Noun
B1 Intermediate
Quick answer
Material used to stop heat, cold, sound, or electricity from passing through something.
Test yourself
Which word fits the gap? "Better _____ in the attic kept the house much warmer in winter."
Answer: insulation
In your own words, what does "insulation" mean?
Material used to stop heat, cold, sound, or electricity from passing through something.
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