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⇱ lux - WordReference.com Dictionary of English

lux

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/lʌks/US:USA pronunciation: respellingUSA pronunciation: respelling(luks)

Inflections of 'lux' (n): npl: luces

WordReference Random House Unabridged Dictionary of American English © 2026
lux  (luks),USA pronunciation n., pl. lu•ces (lo̅o̅′sēz).USA pronunciation [Optics.]
  1. 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., 
  1. Place NamesLuxembourg.

Collins Concise English Dictionary © HarperCollins Publishers::
lux /lʌks/ n ( pl lux)
  1. 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
Etymology: 19th Century: from Latin: light
lux /lʌks/ vb
  1. NZ informal to clean with a vacuum cleaner
Etymology: 20th Century: from Electrolux, a vacuum-cleaner manufacturer
Collins Concise English Dictionary © HarperCollins Publishers::
Lux. abbreviation for
  1. Luxembourg
'lux' also found in these entries (note: many are not synonyms or translations):
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