Illumination

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Description

The lighting, or increasing the amount of available visible radiation, of an area. The intensity of illumination is measured as illuminance in lux or foot-candle units. Various types of energy sources can be used to increase illumination. Some of these are: fluorescent; incandescent; and high-intensity discharge lamps (mercury, sodium, metal halide). Each type of lamp emits a specific wavelength pattern that is generally characterized by its color temperature and brightness.

Synonyms and Related Terms

Lichtstärke (Deut.); illumination (Fr.); iluminação (Port.)