illuminance

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Related to Luminous emittance: luminous exitance

il·lu·mi·nance

 (ĭ-lo͞o′mə-nəns)

illuminance

(ɪˈluːmɪnəns)
n
(General Physics) the luminous flux incident on unit area of a surface. It is measured in lux. Symbol: Ev 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]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.illuminance - the luminous flux incident on a unit area
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
References in periodicals archive ?
Tridonic introduces the square OLED module LUREON REP with color temperature of 4,000K, featuring high levels of luminous emittance (up to 12,000lm/m2) and luminance (4,000cd/m2).