What does LIGHTBULB mean?

Definitions for LIGHTBULB

This dictionary definitions page includes all the possible meanings, example usage and translations of the word LIGHTBULB.

Princeton's WordNet

  1. light bulb, lightbulb, bulb, incandescent lamp, electric light, electric-light bulbnoun

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


  1. lightbulb

    An electric light, lamp, or light bulb is an electrical component that produces light. It is the most common form of artificial lighting. Lamps usually have a base made of ceramic, metal, glass, or plastic, which secures the lamp in the socket of a light fixture, which is often called a "lamp" as well. The electrical connection to the socket may be made with a screw-thread base, two metal pins, two metal caps or a bayonet cap. The three main categories of electric lights are incandescent lamps, which produce light by a filament heated white-hot by electric current, gas-discharge lamps, which produce light by means of an electric arc through a gas, such as fluorescent lamps, and LED lamps, which produce light by a flow of electrons across a band gap in a semiconductor. Before electric lighting became common in the early 20th century, people used candles, gas lights, oil lamps, and fires. Vasily Vladimirovich Petrov developed the first persistent electric arc in 1802, and English chemist Humphry Davy gave a practical demonstration of an arc light in 1806. By the 1870s, Davy's arc lamp had been successfully commercialized, and was used to light many public spaces. Efforts by Joseph Swan and Thomas Edison led to commercial incandescent light bulbs becoming widely available in the 1880s, and by the early twentieth century these had completely replaced arc lamps.The energy efficiency of electric lighting has increased radically since the first demonstration of arc lamps and the incandescent light bulb of the 19th century. Modern electric light sources come in a profusion of types and sizes adapted to many applications. Most modern electric lighting is powered by centrally generated electric power, but lighting may also be powered by mobile or standby electric generators or battery systems. Battery-powered light is often reserved for when and where stationary lights fail, often in the form of flashlights or electric lanterns, as well as in vehicles.


  1. lightbulb

    A lightbulb is a device that produces light from electricity. It consists of a filament or an assembly of LEDs housed in a transparent or translucent enclosure (glass or plastic) which protects it from damage. The filament or LEDs light up when electric current passes through them, creating visible light. Lightbulbs are commonly used in homes, offices, and other spaces to provide illumination.

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How to pronounce LIGHTBULB?

How to say LIGHTBULB in sign language?


  1. Chaldean Numerology

    The numerical value of LIGHTBULB in Chaldean Numerology is: 2

  2. Pythagorean Numerology

    The numerical value of LIGHTBULB in Pythagorean Numerology is: 3

Examples of LIGHTBULB in a Sentence

  1. Patrick McGehee:

    I wasn't sure what was going on, if it was some kind of spiritual event or what, the whole sky lit up like somebody lit up a lightbulb.

  2. Raffaella Margutti:

    A' lightbulb' was sitting deep inside the ejecta of the explosion, it would have been hard to see this in a normal stellar explosion. But The Cow had very little ejecta mass, which allowed us to view the central engine's radiation directly.

  3. John Hawkins:

    It wasn’t a slow deal, when you see one of those develop that fast in heavy timber and already see another dozen fires in California running crazy, it doesn’t take much to light your lightbulb or ring your bell.

  4. Northwesterns Raffaella Margutti:

    A lightbulb was sitting deep inside the ejecta of the explosion, it would have been hard to see this in a normal stellar explosion. But The Cow had very little ejecta mass, which allowed us to view the central engines radiation directly.

  5. Colin Hanks:

    When I heard about that drugstore, that was my lightbulb moment, if that guy's journey starts in that drugstore in the late 1930s and goes all the way to the stores closing, that's incredible.

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Translations for LIGHTBULB

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"LIGHTBULB." Definitions.net. STANDS4 LLC, 2024. Web. 15 Jun 2024. <https://www.definitions.net/definition/LIGHTBULB>.

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