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n. pl. lux·es or lu·ces (lo͞o′sēz) Abbr. lx
The International System unit of illumination, equal to one lumen per square meter. See Table at measurement.
n, pl lux
(Units) the derived SI unit of illumination equal to a luminous flux of 1 lumen per square metre. 1 lux is equivalent to 0.0929 foot-candle. Symbol: lx
[C19: from Latin: light]
(Tools) informal NZ to clean with a vacuum cleaner
[C20: from Electrolux, a vacuum-cleaner manufacturer]
n., pl. lu•ces (ˈlu siz)
a unit of illumination, equivalent to 0.0929 foot-candle and equal to the illumination produced by luminous flux of one lumen falling perpendicularly on a surface one meter square. Symbol: lxAlso called meter-candle.
[1885–90; < Latin lūx light1]
A unit used to measure illumination. One lux is equal to one lumen per square meter.
A unit of illumination equal to a luminous flux of one lumen spread over 1 sq m.