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plural lux or luxes
: 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
Love is in the air and lux menus are popping up at many of Milwaukee’s most romantic restaurants just in time for Valentine’s Day.
—Rachel Bernhard, Journal Sentinel, 31 Jan. 2024
Eye-tracking purportedly works with indoor lighting as low as 10 lux.
—Scharon Harding, Ars Technica, 13 Oct. 2023
Light – Though offices average 300-500 lux, light needs differ by age, health, and tasks.
—Andrew Mawson, Forbes, 29 Feb. 2024
Send any news, comments, tooth fairy lux goods, and Moon boots to talk@qz.com.
—Morgan Haefner, Quartz, 16 Feb. 2024
The former features her rich, layered vocals as the song builds into a lux crescendo.
—Charisma Madarang, Rolling Stone, 14 Feb. 2024
However, the ambient light sensor is of low sensitivity (at 1 lux level), and the contribution of screen fluctuation is heavily quantized to ≤5 bits per measurement.
—Dan Goodin, Ars Technica, 23 Jan. 2024
Try harnessing the benefits of light therapy by sitting in front of a bright light (10,000 lux, roughly 20 times the power of ordinary indoor lighting) for around 15 minutes each morning.
—Hannah Coates, Vogue, 8 Nov. 2023
When choosing a light therapy lamp, try to look for a UVB-free white light that has 10,000 lux intensity and is wide enough to cover your face.
—Caitlin Pagán, Verywell Health, 3 Oct. 2023
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'lux.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Lux.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lux. Accessed 18 Mar. 2024.
Kids Definition
lux
noun
plural lux or luxes
: a unit that is used for measuring the amount of light falling on a surface and that is equal to one lumen per square meter
Medical Definition
lux
noun
plural lux or luxes
: 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
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