lux

/lʌks/
noun
  1. A unit of measurement for the amount of light that falls on a surface, equal to one lumen per square meter.
    • The room's brightness was measured at 200 lux on a cloudy day.
    • The camera's sensor needs at least 10 lux to capture a clear image.
    • The recommended light level for reading is about 500 lux.
  2. Short for 'de luxe', meaning of high quality or luxury (used in product names).
    • She bought a Lux brand handbag as a treat.
    • The Lux edition of the car comes with leather seats.
    • They stayed at the Lux Hotel during their vacation.
What does "lux" mean? | whatsthatwordmean | whatsthatwordmean