BRIGHTNESS


Meaning of BRIGHTNESS in English

noun

( -es )

Etymology: Middle English brightnesse, from Old English beorhtnes, byrhtnes, bryhtnes, from beorht, byrht, bryht bright + -nes -ness

1.

a. : the quality or state of being bright: as

(1) : brilliance , luster

(2) : splendor , fame

(3) : sharpness of wit : acuteness

b. : an instance of such a quality or state

2.

a. : the attribute of light-source colors by which the light source appears to emit light varying from a minimum for very dim to a maximum for very bright

b. : luminance

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.