Brightness | Definition of brightness by Merriam-Webster

Definition of BRIGHTNESS

1

a : the quality or state of being bright; also : an instance of such a quality or state

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

First Known Use of BRIGHTNESS

before 12th century

Related to BRIGHTNESS

Synonyms: brilliance, brilliancy, candor, dazzle, effulgence, illumination, lambency, lightness, luminance, luminosity, luminousness, luster (or lustre), lustrousness, radiance, refulgence, splendor

Antonyms: blackness, dark, darkness, dullness (also dulness), duskiness

Medical Definition of BRIGHTNESS

: 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

Learn More About BRIGHTNESS

Thesaurus: All synonyms and antonyms for "brightness"

Spanish Central: Spanish translation of "brightness"

Nglish: Translation of "brightness" for Spanish speakers

Britannica English: Translation of "brightness" for Arabic speakers

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