lux

Noun
  1. A unit of illumination equal to 1 lumen per square meter;
    0.0929 foot candle (synset 113662195)
    is a type of: illumination unit - a measure of illumination
    is a part of: phot - a unit of illumination equal to 1 lumen per square centimeter; 10,000 phots equal 1 lux
    same as: lx

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