lux

noun
\ ˈləks How to pronounce lux (audio) \
plural lux or luxes

Definition of lux

: a unit of illumination equal to the direct illumination on a surface that is everywhere one meter from a uniform point source of one candle intensity or equal to one lumen per square meter

Examples of lux in a Sentence

Recent Examples on the Web Porter was able to tolerate 50 lux for 12 hours a day after 13 weeks, which Kaski said is roughly equivalent to standing in the middle of a fairly large, otherwise unlit room with natural light coming in from through a few windows. Rebecca Sohn, STAT, "With chronic migraines, she avoided light for 18 months — and developed a condition from centuries past," 22 Feb. 2021 The current iteration of the camera can capture black-and-white 30-by-40-pixel images each second over an indefinite period of time for a scene that is about 300 lux in brightness. Larry Greenemeier, Scientific American, "Battery-Free Video Cam Grabs Pix--and Power--from Same Light," 15 Apr. 2015 Most indoor lighting maintains an intensity between 50 and 500 lux. Popular Science, "Can a happy lamp help cure your winter blues?," 24 Jan. 2021 Light therapy includes products like this HappyLight, which emits 10,000 units of lux intensity, which is exponentially more than sunrise clocks equip. Gideon Grudo, NBC News, "Best sunrise light alarm clocks and sunrise clocks 2020," 31 Oct. 2020 The lux modern Louisiana restaurant from chefs John Folse and Rick Tramonto reopens Thursday (Oct. 22), in the Royal Sonesta Hotel. Ian Mcnulty | Staff Writer, NOLA.com, "Ready for some good news? From Lakeview to French Quarter, more well-known restaurants reopen," 21 Oct. 2020 About 20 to 60 minutes of exposure to 10,000 lux of cool-white fluorescent light can be associated with a significant improvement in mood, according to a 2009 study by researchers from the University of Maryland. Ryan Prior, CNN, "How to guard against seasonal affective disorder in the pandemic's winter months," 14 Oct. 2020 Also its display is LCD rather than the ultra-lux OLED screens found in most high-end phones. Darren Orf, Popular Mechanics, "The New iPhone SE, the Apple Phone for Everyone," 28 Apr. 2020 Plans call for a golf outing at Ellison's lux Porcupine Creek home in Rancho Mirage. Gabrielle Canon, USA TODAY, "In California: The state's housing crunch is literally making people sick," 13 Feb. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lux.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of lux

1889, in the meaning defined above

History and Etymology for lux

Latin, light — more at light

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Statistics for lux

Last Updated

27 Feb 2021

Cite this Entry

“Lux.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lux. Accessed 1 Mar. 2021.

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More Definitions for lux

lux

noun
\ ˈləks How to pronounce lux (audio) \
plural lux or luxes

Medical Definition of lux

: a unit of illumination equal to the direct illumination on a surface that is everywhere one meter from a uniform point source of one candle intensity or equal to one lumen per square meter

called also meter-candle

More from Merriam-Webster on lux

Britannica.com: Encyclopedia article about lux

Comments on lux

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