helium
Pronunciation
Noun
A2 Elementary
Quick answer
A light, colorless gas that does not burn, often used to fill balloons.
Test yourself
Which word fits the gap? "The party store filled dozens of balloons with _____ for the celebration."
Answer: helium
In your own words, what does "helium" mean?
A light, colorless gas that does not burn, often used to fill balloons.
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