Bulb definition: An evacuated glass sphere, often pear-shaped, containing a filament that glows when heated by an electric current, producing light.
Definitions of Bulb
- 1noun
An evacuated glass sphere, often pear-shaped, containing a filament that glows when heated by an electric current, producing light.
- 2noun
A rounded, underground storage organ of some plants, such as onions and tulips, from which a new plant can grow.
- 3noun
The spherical or cylindrical part of a thermometer, containing the liquid that expands or contracts with temperature changes.
Example Sentences
“The old incandescent bulb was replaced with an energy-efficient LED.”
“She planted tulip bulbs in her garden last autumn.”
Topics & Categories
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Phrases & Idiomatic Expressions
A moment of sudden realization, inspiration, or understanding.
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