lux

noun
\ˈləks \
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

Ten kids, ages 3 to 5, were exposed to bright light (about 1,000 lux from a light box) for one hour before their habitual bedtime. Richard G. "bugs" Stevens, Washington Post, "Bright lights near bedtime can cause sleep problems in children," 19 May 2018 The room itself feels something like beatnik-chic, draped in lavish vintage touches that feel lux but not unapproachable. Adam Lukach, RedEye Chicago, "12 places to grab food and drinks around our favorite music venues in Chicago," 18 Oct. 2017 In batting practice Saturday, Ohtani launched a home run to center, above the batter’s eye and above the row of glassed-in lux-boxes. Scott Ostler, San Francisco Chronicle, "Hitting or pitching, Angels’ Shohei Ohtani harkens to the days of Babe Ruth," 1 Apr. 2018 People who saw more than five lux of light at night were much more likely to develop symptoms of depression than those who slept in a completely dark room. Time, "Being Exposed to Even a Small Amount of Light During Sleep is Linked to Depression," 7 Mar. 2018 Others go mega-lux, lavishing their buyers with leather and diamonds. Jack Stewart, Wired News, "7 Future-Revealing Details From the 2018 Geneva Motor Show," 11 Mar. 2018 The study did not determine how long someone would need to be exposed to nocturnal light to see these effects, but a prior study in hamsters placed the threshold at four weeks of five-lux exposure. Time, "Being Exposed to Even a Small Amount of Light During Sleep is Linked to Depression," 7 Mar. 2018 Pricing has not been announced but expect a starting price somewhere in excess of $200,000 – the going rate for most of these lux rigs. Mark Maynard, sandiegouniontribune.com, "Rolls-Royce christens ‘high-bodied’ car Cullinan," 14 Feb. 2018 Wochit Walking around the minimalist but lux Shinola store in Midtown Detroit on Sunday, Michigan Gov. Rick Snyder inspected a leather watch, before making his way to the back of the spacious flagship to mingle. Allie Gross, Detroit Free Press, "Gov. Rick Snyder joins Ontario premier to tout Detroit-Windsor joint Amazon bid," 22 Oct. 2017

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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Dictionary Entries near lux

Luvaridae

Luwi

Luwian

lux

luxation

luxe

Luxembourg

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Time Traveler for lux

The first known use of lux was in 1889

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More Definitions for lux

lux

noun
\ˈləks \
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

See words that rhyme with lux

Britannica.com: Encyclopedia article about lux

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