brightness level

Thesaurus

Noun

1.

brightness level - the quality of being luminous; emitting or reflecting light; "its luminosity is measured relative to that of our sun"luminance, luminosity, luminousness, brightness, lightphysical property - any property used to characterize matter and energy and their interactionsilluminance, illumination - the luminous flux incident on a unit areaincandescence - light from heatglow, luminescence - light from nonthermal sources