light bulb definition

  • noun:
    • a power light by which a filament is heated to incandescence by an electric present.
    • An evacuated glass bulb containing a metal filament that is heated by electric opposition to create light.
    • articles that resembles these types of a bulb and converts electricity to light by any procedure.
    • Used in reference to the unexpected arrival of a realization, an inspiration, a concept, or the want.

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  • Urban Dictionary for "light bulb"
    • that thing that explains your face…
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