Bulb
Pronunciation: /ˈbʌlb/
Bulb (noun)
- A glass object that produces light when electricity passes through it.
- A round underground part of some plants that stores food and grows into a new plant.
- The rounded end of a thermometer that contains the liquid used to measure temperature.
Examples
- The bulb in the lamp needs replacing.
- She switched on the bulb to brighten the room.
Common collocations: replace a bulb, energy-saving bulb, light bulb, plant a bulb, flower bulb