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lux

[ luhks ]
/ lʌks /
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noun, plural lu·ces [loo-seez], /ˈlu siz/, lux·es.Optics.
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

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Also called meter-candle.

Origin of lux

1885–90; <Latin lūxlight1

Other definitions for lux (2 of 2)

Lux.

abbreviation
Luxembourg.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use lux in a sentence

British Dictionary definitions for lux (1 of 3)

lux1
/ (lʌks) /

noun plural lux
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-candleSymbol: lx

Word Origin for lux

C19: from Latin: light

British Dictionary definitions for lux (2 of 3)

lux2
/ (lʌks) /

verb
NZ informal to clean with a vacuum cleaner

Word Origin for lux

C20: from Electrolux, a vacuum-cleaner manufacturer

British Dictionary definitions for lux (3 of 3)

Lux.

abbreviation for
Luxembourg
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for lux

lux
[ lŭks ]

Plural luxes luces (lōōsēz)
A SI derived unit of illuminance in photometry, equal to one lumen per square meter.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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