bulb
Pronunciation
Noun
A1 Beginner
Quick answer
A glass device that produces light when electricity passes through it, or the round underground part of certain plants.
Test yourself
Which word fits the gap? "The _____ in the hallway lamp burned out last week."
Answer: bulb
In your own words, what does "bulb" mean?
A glass device that produces light when electricity passes through it, or the round underground part of certain plants.
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