brightness

noun bright·ness

Definition of brightness

  1. 1a :  the quality or state of being bright; also :  an instance of such a quality or stateb :  luminance

  2. 2 :  the attribute of light-source colors by which emitted light is ordered continuously from light to dark in correlation with its intensity — compare hue 2c, 1lightness 2, saturation 4

Examples of brightness in a Sentence

  1. the brightness of the sunshine made me squint after an afternoon spent in a darkened movie theater

Recent Examples of brightness from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'brightness'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of brightness

before 12th century


Medical Dictionary

brightness

play
noun bright·ness \ˈbrīt-nəs\

Medical Definition of brightness

  1. :  the one of the three psychological dimensions of color perception by which visual stimuli are ordered continuously from light to dark and which is correlated with light intensity—compare hue, saturation 4a



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