lux
- noun
- /lʌks/
- Specialized
- In flashing mode, I measured a max of 12,000 lux, making this one of the brightest lights available.
- illuminance of lux
- 750 lux
- 1070 lux
Examples
-
Two stimulus ranges were available: 7-680 lux and 12-1240 lux.
Academic text (2010) -
Guides for interior lighting often suggest an average horizontal working plane illuminance in the region of 500 lux for spaces such as offices.
Academic text (2010) -
Bright light (usually more than 2,500 lux) has received particular attention.
Academic text (1997) -
Consider a subject who prefers an illuminance of 50 lux.
Academic text (2010) -
At this altitude of thirty degrees, the Moon would shine at about 0.0169 fc or 0.182 lux.
Academic text (2004) -
The Verilux "Happy Light Energy Lamp 4500" provides up to 4,500 LUX of Natural Spectrum Daylight.
Blog text (23) -
All cultures were incubated under a 16-hour light photoperiod (6000 lux).
Academic text (2014) -
Furthermore, the range of preferred illuminances found when starting from the low initial illuminance was 10-236 lux, and in this case none of the judgments were halted by the upper end of the stimulus range.
Academic text (2010) -
The full moon, then, shines at 0.0294 foot-candles (fc) or 0.316 lux; yet only from above our atmosphere could one see the moon at this brightness.
Academic text (2004) -
The room was illuminated by a bright light of 300 lux.
Synonyms
A unit that measures how much light falls on a surface
Surface Forms
Etymology
Lux comes from Latin and means 'light', so it is the name for the unit that measures how much light falls on an area. Think of English words like illuminate and lucid, which are about light, and that helps you remember that lux measures brightness.