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luminance unit

1 of 1noun
/ˈlumɪnəns ˈjunɪt/
Forms:luminance units
1

a measure of the brightness of a light source as perceived by the human eye

C2
  • The luminance unit measures the brightness of a television screen.
  • Dimming the lights reduces the luminance unit in the room.
  • Graphic designers adjust luminance units to create balanced images.
  • Engineers use luminance units to specify display brightness in electronic devices.
  • The luminance unit of a streetlight affects visibility on roads at night.