- the derived SI unit of illumination equal to a luminous flux of 1 lumen per square metre. 1 lux is equivalent to 0.0929 foot-candle
WordReference Random House Unabridged Dictionary of American English © 2026
lux
(luks),USA pronunciation n., pl. lu•ces (lo̅o̅′sēz).USA pronunciation [Optics.]
Lux.,
- 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.
- Latin lūx light1
- 1885–90
Lux.,
- Place NamesLuxembourg.
Collins Concise English Dictionary © HarperCollins Publishers::
lux /lʌks/ n ( pl lux)
lux /lʌks/ vb
- NZ informal to clean with a vacuum cleaner
Collins Concise English Dictionary © HarperCollins Publishers::
Lux. abbreviation for
- Luxembourg
'lux' also found in these entries (note: many are not synonyms or translations):
illuminance
- light
- lucid
- Lucifer
- Lucina
- Lux.
- lx
- phot
- Castor and Pollux
- fiat lux
- Kastor and Pollux
- lough
- low
- luces
- luculent
- luxate
- Luxembourger
- luxury tax
- meter-candle
- meter-candle-second
- millilux