The Collaborative International Dictionary of English v.0.48:

Lux \Lux\, v. t. [Cf. F. luxer. See Luxate.]
   To put out of joint; to luxate. [Obs.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

lux
    n 1: a unit of illumination equal to 1 lumen per square meter;
         0.0929 foot candle [syn: lux, lx]

Moby Thesaurus II by Grady Ward, 1.0:

32 Moby Thesaurus words for "lux":
   ASA scale, British candle, Hefner candle, Scheiner scale,
   bougie decimale, candle, candle lumen, candle power, candle-foot,
   candle-hour, candle-meter, decimal candle, exposure meter, flux,
   foot-candle, intensity, international candle, lamp-hour, light,
   light meter, light quantum, lumen, lumen meter, lumen-hour,
   lumeter, luminous flux, luminous intensity, luminous power, photon,
   quantum, unit of flux, unit of light