lux

[ luhks ]
/ lʌks /
|

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

Origin of lux

1885–90; < Latin lūx light1
Also called meter-candle.

Definition for lux (2 of 3)

Definition for lux (3 of 3)

fiat lux

[ fee-aht loo ks; English fee-aht luhks, fahy-uh t ]
/ ˈfi ɑt ˈlʊks; English ˈfi ɑt ˈlʌks, ˈfaɪ ət /

Latin.

let there be light.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for lux

British Dictionary definitions for lux (1 of 3)

lux

1
/ (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)

lux

2
/ (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

Word Origin and History for lux

lux


n.

unit of illumination, 1889, from Latin lux "light" (see light (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for lux

lux

[ lŭks ]

n. pl. lux•es

The International System unit of illumination, equal to one lumen per square meter.candle-meter meter-candle
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science 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.