Skip to main content
lx

lx

9.6
A unit that measures how much light falls on a surface
  • noun
  • Specialized
translation icon : lx

Examples

  • The test room was divided into three adjacent compartments with similar light and temperature conditions (60 lx, 22 ± 1 °C).

    Academic text (2016)
  • The test room was divided into three adjacent compartments with similar light and temperature conditions (60 lx, 22 ± 1 °C).

  • Three weeks later, on March 9th, a night with exquisite seeing, I saw the quasar's components again, this time through my 16-inch at 58 lx.

  • My father, Ruben, an experienced astronomer, was able to use the lx sight-tube finder much better than I.

Synonyms

lux
vslx
  • Specialized
4 8.7

A unit that measures how much light falls on a surface

is described as the unit for illuminance rather than by its system name

Surface Forms

lx singular
lxs plural

Etymology

Lx stands for the unit lux, which comes from the Latin word lux meaning 'light'. So lx measures how much light falls on one square meter and tells you how bright a place is.