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  1. light bulb
    IPA[ˈlīt ˌbəlb]
  2. noun

    • 1. a device used to convert electricity into light, consisting of a source of illumination (e.g. an electric filament or one or more LEDs) enclosed within a transparent or translucent shell, typically having a rounded shape and designed to be fitted into a socket in a lamp.

  3. Variation

    • n.: noun: lightbulb, plural noun: lightbulbs

    • noun

      a device used to convert electricity into light, consisting of a source of illumination (e.g. an electric filament or one or more LEDs) enclosed within a transparent or translucent shell, typically having a rounded shape and designed to be fitted into a socket in a lamp.
    • noun

      a moment of sudden realization, enlightenment, or inspiration:
    • noun

      a moment of sudden realization, enlightenment, or inspiration:
    • noun

      a low-wattage energy-efficient fluorescent light bulb designed for use in standard lighting equipment such as table lamps:
    • noun

      a low-wattage energy-efficient fluorescent light bulb designed for use in standard lighting equipment such as table lamps:
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