brightness

/ˈbraɪɾnɪs/

/ˈbraɪtnɪs/

Other forms: brightnesses

Definitions of brightness

1. noun

   the quality of being luminous; emitting or reflecting light
   synonyms: brightness level, light, luminance, luminosity, luminousness

   types:

   illuminance, illumination

   the luminous flux incident on a unit area

   incandescence

   light from heat

   glow, luminescence

   light from nonthermal sources

   type of:

   physical property

   any property used to characterize matter and energy and their interactions
2. noun

   the location of a visual perception along a continuum from black to white
   antonyms:

   dullness

   a lack of visual brightness

   types:

   blaze, brilliance, glare

   a light within the field of vision that is brighter than the brightness to which the eyes are adapted

   dazzle

   brightness enough to blind partially and temporarily

   glisten, glister, glitter, scintillation, sparkle

   the quality of shining with a bright reflected light

   flash

   a momentary brightness

   glint

   a spatially localized brightness

   iridescence, opalescence

   the visual property of something having a milky brightness and a play of colors from the surface

   effulgence, radiance, radiancy, refulgence, refulgency, shine

   the quality of being bright and sending out rays of light

   brilliancy, luster, lustre, splendor, splendour

   a quality that outshines the usual

   gleam, gleaming, glow, lambency

   an appearance of reflected light

   luster, lustre, sheen, shininess

   the visual property of something that shines with reflected light

   burnish, gloss, glossiness, polish

   the property of being smooth and shiny

   type of:

   light, lightness

   the visual effect of illumination on objects or scenes as created in pictures
3. noun

   intelligence as manifested in being quick and witty
   synonyms: cleverness, smartness

   type of:

   intelligence

   the ability to comprehend; to understand and profit from experience