brightness

Definitions of brightness
  1. noun
    the quality of being luminous; emitting or reflecting light
    synonyms: brightness level, light, luminance, luminosity, luminousness
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    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
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    Antonyms:
    dullness
    a lack of visual brightness
    types:
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    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
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    type of:
    intelligence
    the ability to comprehend; to understand and profit from experience
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