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
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“Lux.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lux. Accessed 5 May. 2025.
Copy CitationKids 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
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