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A bulb is a part of a plant that grows underground.
It stores food for the plant to use during the winter.
In the spring, the bulb sprouts and grows into a new plant.
A bulb is a device that makes light. It has a thin wire inside that gets hot when electricity flows through it. The hot wire glows and makes light.
The tulip bulb was planted in the spring.
Noun: bulb (the rounded, underground part of a plant that stores food).
Adjective: bulbous (having a bulb-shaped form).
Verb: to bulb (to form a bulb).
The word "bulb" comes from the Latin word bulbus, which means "round, underground plant structure." The Latin word bulbus is thought to be derived from the Proto-Indo-European word bhel-, which means "to swell.".
What is a bulb?