bulb

The part of an electric lamp that produces light and can usually be replaced.

• This lamp needs a new bulb.
• I changed the bulb in the kitchen.
• Are these bulbs bright enough for reading?

Similar words: light bulb

Common phrases: light bulb, replace a bulb, a spare bulb

A round underground plant part that stores food and can grow into a new plant.

• Plant the bulb in the soil.
• These tulip bulbs will flower in spring.
• We dug up the bulbs after the leaves died.

Common phrases: tulip bulb, plant a bulb, flower bulb

A solid part or object with one rounded, wider end and one narrower end.

• The handle ends in a smooth bulb.
• A solid glass bulb decorated the stem.
• The diagram showed the bulb at the artery’s base.

Common phrases: a rounded bulb, a glass bulb, bulb of something