illuminance

il·lu·mi·nance

 (ĭ-lo͞o′mə-nəns)

n.

See illumination.

illuminance

(ɪˈluːmɪnəns)

n

(General Physics) the luminous flux incident on unit area of a surface. It is measured in lux. Symbol: E^v Sometimes called: illumination Compare irradiance

il•lu•mi•na•tion

(ɪˌlu məˈneɪ ʃən)

n.

1. an act or instance of illuminating.

2. the state of being illuminated.

3. a decoration of lights.

4. Sometimes, illuminations. a display using lights as a major decoration.

5. intellectual or spiritual enlightenment.

6. the intensity of light falling at a given place on a lighted surface; the luminous flux incident per unit area, expressed in lumens per unit of area.

7. a supply of light.

8. decoration of a manuscript or book with a painted design in color and gold or silver.

9. a design used in such decoration.

[1300–50; Middle English < Latin]

Thesaurus

Noun

1.

illuminance - the luminous flux incident on a unit area illumination brightness level, luminance, luminosity, luminousness, brightness, light - the quality of being luminous; emitting or reflecting light; "its luminosity is measured relative to that of our sun"

Translations

éclairement