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Illumination vs Illuminance - What's the difference?

illumination | illuminance |

As nouns the difference between illumination and illuminance

is that illumination is the act of illuminating, or supplying with light; the state of being illuminated while illuminance is the luminous flux incident on unit area of a surface; measured in lux or lumens.

illumination

English

Noun

(en noun)
  • The act of illuminating, or supplying with light; the state of being illuminated.
  • Festive decoration of houses or buildings with lights.
  • Adornment of books and manuscripts with colored illustrations. See illuminate (transitive verb).
  • illuminance

    English

    Noun

    (wikipedia illuminance) (en noun)
  • (physics) The luminous flux incident on unit area of a surface; measured in lux or lumens