An attribute of visual perception in which a source appears to emit a given amount of light . Note 1: "Brightness" should be used only for nonquantitative references to physiological sensations and perceptions of light. Note 2: "Brightness" was formerly used as a synonym for the photometric term "luminance" and (incorrectly) for the radiometric term " radiance ."
BRIGHTNESS
Meaning of BRIGHTNESS in English
Telecommunication standard terms English vocab. Английский словарь стандартных телекоммуникационных терминов. 2012