lightbulb

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lightbulb

A hand screws a new lightbulb into a lamp socket.

Definition

Noun: 1. An electric lamp: A device that produces light from electricity. It typically consists of a glass bulb containing a filament or other light-emitting element. 2. A specific component: The glass bulb containing the filament or LED elements, which is the part of a lamp that emits light.

Examples
  • Noun:
    • The lightbulb in the hallway flickered and then went out.
    • She unscrewed the old lightbulb and replaced it with a new, energy-efficient one.
    • A cartoon lightbulb above a character's head symbolizes a new idea.
Advanced Usage
  • "A lightbulb moment": An idiom describing a sudden moment of understanding, inspiration, or a bright idea.
    • He had a lightbulb moment and finally solved the difficult puzzle.
Variants and Related Words
  • Light bulb: A common alternative spelling (two words).
  • Bulb: A shorter, informal term for a lightbulb.
    • This lamp needs a new bulb.
  • LED bulb: A modern type of lightbulb that uses light-emitting diodes.
  • Incandescent bulb: A traditional type of lightbulb that uses a heated filament.
Synonyms
  • Lamp (in the context of the replaceable component)
  • Globe (less common, regional)
Related Idioms
  • "The lightbulb went on": Means someone suddenly understood something.
    • After the teacher's explanation, the lightbulb went on and I understood the math problem.
lightbulb

A hand screws a new lightbulb into a lamp socket.

Noun
  1. electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity

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