lux

[ luhks ]

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

Origin of lux

1
1885–90; <Latin lūxlight1

Other definitions for Lux. (2 of 2)

Lux.

abbreviation
  1. Luxembourg.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use lux in a sentence

  • lux, like one crazed, suddenly rushed headlong away between the trees and down the hill.

    Maezli | Johanna Spyri
  • The motto on the scroll, "Ex tenebris lux," appears to have existed anterior to the light of the Reformation.

  • On the screen, a machine rolled in on caterpillar treads, picked up the lux case and its contents, and carried them off.

    Islands of Space | John W Campbell
  • I suggest that we make the hull of foot-thick lux metal and line it on the inside with relux wherever we want it to be opaque.

    Islands of Space | John W Campbell
  • The huge walls of lux metal required great care in construction, for they could not be welded; they had to be formed in position.

    Islands of Space | John W Campbell

British Dictionary definitions for lux (1 of 3)

lux1

/ (lʌks) /


nounplural 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: Symbol: lx

Origin of lux

1
C19: from Latin: light

British Dictionary definitions for lux (2 of 3)

lux2

/ (lʌks) /


verb
  1. NZ informal to clean with a vacuum cleaner

Origin of lux

2
C20: from Electrolux, a vacuum-cleaner manufacturer

British Dictionary definitions for Lux. (3 of 3)

Lux.

abbreviation for
  1. 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)
  1. 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.