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Brightness vs Undefined - What's the difference?

brightness | undefined |

As a noun brightness

is the quality of being bright.

As an adjective undefined is

lacking a definition or value.

brightness

English

Noun

(wikipedia brightness) (en-noun)
  • The quality of being bright.
  • *, chapter=5
    • , title= The Mirror and the Lamp , passage=Here, in the transept and choir, where the service was being held, one was conscious every moment of an increasing brightness ; colours glowing vividly beneath the circular chandeliers, and the rows of small lights on the choristers' desks flashed and sparkled in front of the boys' faces, deep linen collars, and red neckbands.}}
  • The perception elicited by the luminance of an object.
  • Intelligence, cleverness.

    • Synonyms

    * See also

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined