from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Plural form of lumen.


Sorry, no etymologies found.


  • Forrest and his coworkers report that the technology emits about 70 lumens from a watt of power.

    More-Efficient OLED Lighting « Isegoria

  • At their brightest setting, they put out 200 lumens, which is insanely bright -- nearly an order of magnitude brighter than a legacy 3D Mag-Lite with brand new batteries.

    Making Light: Making light under difficult conditions

  • Each light delivers 1,800 lumens, which is equivalent to a conventional 38-W fluorescent security light.

    Sharp’s Earthquake Detecting Solar Streetlights | Inhabitat

  • But there are 20-watt compact fluorescents that produce 810 lumens, which is about the same brightness using only one-third the electricity.


  • It's too bad, however, that it doesn't have a third mode that shines at 50 lumens, which is as bright as most AA battery-based flashlights.

    Crave: The gadget blog

  • There are few technical details about the projector section of the S1000pj, but we do know that the LED lamp brightness is 10 lumens, which is not the least bright of available dedicated pico projectors, but many are brighter.

    Digital Photography Now

  • In terms of efficiency, I'm not sure why they didn't include a "miles per gallon" type of rating such as lumens/watt and I'm also wondering how most consumers will interpret the brightness attribute absent a familiar context. Green Business News

  • "If we use eight SSC P7 leds putting out 600 usable lumens each results in 4800 lumens, which is approximately 1.5 55w HID's (approx ..." someone said:

    Yanko Design

  • + 'i: a impression textualization denotative of a' lumens 'energenic unit'.

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  • The 9-watt GE Energy Smart LED has 471 lumens, according to its manufacturer, and is a replacement for the 40-watt incandescent.

    Builders' Show: A lower-priced LED lightbulb


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