资料来源 : pyDict

光亮,明亮,聪明

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Brightness \Bright"ness\, n. [AS. beorhines. See {Bright}.]
   1. The quality or state of being bright; splendor; luster;
      brilliancy; clearness.

            A sudden brightness in his face appear. --Crabbe.

   2. Acuteness (of the faculties); sharpness 9wit.

            The brightness of his parts . . . distinguished him.
                                                  --Prior.

   Syn: Splendor; luster; radiance; resplendence; brilliancy;
        effulgence; glory; clearness.

资料来源 : WordNet®

brightness
     n 1: the location of a visual perception along the black-to-white
          continuum [ant: {dullness}]
     2: intelligence as manifested in being quick and witty [syn: {cleverness},
         {smartness}]
     3: the quality of being luminous; emitting or reflecting light;
        "its luminosity is measured relative to that of our sun"
        [syn: {luminosity}, {brightness level}, {luminance}, {luminousness},
         {light}]

资料来源 : Free On-Line Dictionary of Computing

brightness
     
         (Or "tone", "luminance", "value", "luminosity",
        "lightness") The coordinate in the {HSB} {colour model} that
        determines the total amount of light in the colour.  Zero
        brightness is black and 100% is white, intermediate values are
        "light" or "dark" colours.
     
        The other coordinates are {hue} and {saturation}.
     
        (1999-07-05)