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brightness vs illuminance

illuminance vs brightness

brightness and illuminance both are nouns.

Word NounAdjectiveVerbAdverb
brightness Yes No No No
illuminance Yes No No No
As nouns, illuminance is a hyponym of brightness; that is, illuminance is a word with a more specific, narrower meaning than brightness:
  • brightness: the quality of being luminous; emitting or reflecting light
  • illuminance: the luminous flux incident on a unit area
Other hyponyms of brightness include illumination, incandescence, glow, luminescence.
brightness (noun) illuminance (noun)
the location of a visual perception along a continuum from black to white the luminous flux incident on a unit area
the quality of being luminous; emitting or reflecting light
intelligence as manifested in being quick and witty
Difference between brightness and illuminance

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