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  1. Dictionary
    brightness
    /ˈbrʌɪtnɪs/

    noun

    • 1. the quality or state of giving out or reflecting light: "we can change the brightness of the bulb"
    • 2. the quality of being intelligent and quick-witted: "he reminded me of my first son with his brightness and inquisitiveness"

    More definitions, origin and scrabble points

  2. en.wikipedia.org › wiki › BrightnessBrightness - Wikipedia

    Brightness is the attribute of visual perception of light from a source or a reflection. Learn how brightness is measured, how it differs from lightness and luminance, and what symbols and terms are used in photometry and radiometry.

  3. Brightness is the quality of shining with, or of producing, a lot of light, or of having very strong colour, or of looking happy or intelligent. Learn more about the word brightness and see synonyms, antonyms, and translations.

  4. Brightness is the quality or state of being bright, or an instance of such a quality or state. It also refers to the attribute of light-source colors by which emitted light is ordered from light to dark.

  5. a cheerful and lively attitude or way of behaving. Her brightness and energy kept us all together. the quality of being intelligent and quick to learn. The brightness of these students isn't in doubt. Check pronunciation: brightness. Definition of brightness noun in Oxford Advanced Learner's Dictionary.

  6. Brightness is the state or quality of being bright, or the effect of luminance that allows distinguishing differences in light. Find synonyms, related terms, and usage examples of brightness in various contexts.

  7. the quality of being luminous; emitting or reflecting light. synonyms: brightness level, light, luminance, luminosity, luminousness. see more. noun. the location of a visual perception along a continuum from black to white. see more. noun. intelligence as manifested in being quick and witty. synonyms: cleverness, smartness. see more. Pronunciation.

  8. the luminance of a body, apart from its hue or saturation, that an observer uses to determine the comparative luminance of another body. Pure white has the maximum brightness, and pure black the minimum brightness.