Bulb
/bˈʌlb/
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Definition
(noun) The bulb-shaped underground portion of a plant such as a tulip, consisting of a shortened stem and many fleshy scale leaves, from which the rest of the plant may be regrown.
Sentence Examples
Thomas Edison invented the light bulb.
Edison invented the light bulb.
CEFR Practice Quiz
I need to replace the light ____ in the kitchen because it went out.