luces
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lu·ces
(lo͞o′sēz)n.
A plural of lux.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
lux
(lʌks)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: lx
Also called meter-candle. [1885–90; < Latin lūx light1]
Lux.
Luxembourg.
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