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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

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In our third teacher-created PSAT practice test there are new and unique vocabulary terms you may have never heard of! Can you guess what they mean?
Question 1 of 10
seclusion
a false belief or opinion.
the matter that settles to the bottom of a liquid.
the state of being isolated, kept apart, or withdrawn into solitude.
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Also called meter-candle.

Origin of lux

1885–90; <Latin lūxlight1

Definition for lux (2 of 2)

Lux.

Luxembourg.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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

Medical 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.

Scientific definitions for lux

lux
[ lŭks ]

Plural luxes luces (lōō′sēz)

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.