A unit of light or illumination; the reception of a luminous flux of 1 lumen per square meter of surface. SYN: candle-meter, meter-candle. [L. light]
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lux 'ləks n, pl lux or lux·es 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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n.
the SI units of intensity of illumination, equal to 1 lumen per square metre. This unit was formerly called the metre candle. Symbol: lx.
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(lx) (luks) [L. “lightâ€] the SI unit of illumination, being 1 lumen per square meter.Medical dictionary. 2011.