First Known Use: 1889
Dictionary
lux
noun \ˈləks\
plural lux or lux·es
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
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Origin of LUX
Latin, light — more at light
Medical Dictionary
lux
noun \ˈləks\
plural lux or lux·es
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
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