Lightbulb

usgb/ˈlaɪt.bəlb/
noun

A glass bulb that contains a wire that glows when electricity passes through it, used for lighting.

I replaced the old lightbulb with a new energy-efficient one.
Visual representation of "lightbulb" - A glass bulb that contains a wire that glows when electricity passes through it, used for lighting.

Usage tips

Neutral

energy-saving lightbulb,LED lightbulb,incandescent lightbulb

Definition 1 of 2
Visual representation of "lightbulb"
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Definition Context

Lightbulbs are often used in various settings, both residential and commercial.

Illustration for Definition Context
In a modern office, lightbulbs can be the main source of illumination.
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Cultural Significance

The term 'lightbulb moment' is often used to describe a sudden realization or idea.

Illustration for Cultural Significance
She had a lightbulb moment during the brainstorming session.
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Avoiding Confusion

Do not confuse 'lightbulb' with other lighting devices like 'candle' or 'torch'.

Illustration for Avoiding Confusion
A lightbulb operates on electricity, which is different from a candle's flame.
Visual representation of the word "Lightbulb"

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