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high-intensity discharge lamp
HID lamp
discharge lamp in which the light-producing arc is stabilized by wall temperature and the arc has a bulb wall loading in excess of 3 W·cm−2
Note 1 to entry: High-intensity discharge lamps include groups of discharge lamps known as high-pressure mercury lamps, metal halide lamps and high-pressure sodium lamps.
Note 2 to entry: This entry was numbered 845-07-19 in IEC 60050-845:1987.
Note 3 to entry: This entry was numbered 17-534 in CIE S 017:2011.