Examples Word Origin
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 Show More
Origin of lux 1885–90; <
Latin lūx light1 fiat lux [fee -aht loo ks ; English fee -aht luhks , fahy -uh t]
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for lux Contemporary Examples of lux To put that into perspective, indoor lighting is about 100 lux , while a bright, sunny day can hit 50,000 lux or more.
The “gold standard” dose is 30 minutes of 10,000 lux light, one hour of 5,000 lux light or two hours of 2,500 lux light.
However, an overcast sky (like you see often during the winter) usually ranks at only 1,000 lux or lower.
Lux entered the stage dressed head to toe in white, accompanied by an entourage.
Even Loaded Lux could not keep a straight face, smiling as his competitor established a clear, early lead and never let up.
Historical Examples of lux Lux Mundi—what a curious device to connect with such a subject!
The same is true of any other matter, lux metal or relux —it will penetrate.
The lux is stronger than relux , and is therefore used for an outer shell.
In the beginning the creative word was Fiat lux —let there be light.
In the Vulgate, Fiat lux , which is much the same as the Greek.
British Dictionary definitions for 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-candle Symbol: lx Show More
Word Origin for lux C19: from Latin: light
NZ informal to clean with a vacuum cleaner Show More
Word Origin for lux C20: from Electrolux , a vacuum-cleaner manufacturer
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 n. unit of illumination, 1889, from Latin lux "light" (see light (n.)).
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Online Etymology Dictionary, © 2010 Douglas Harper
The International System unit of illumination, equal to one lumen per square meter. candle-meter meter-candle Show More
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Plural luxes luces (lōō′ sēz ) A SI derived unit of illuminance in photometry, equal to one lumen per square meter. Show More
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
