source of illumination

Also found in: Thesaurus.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.source of illumination - any device serving as a source of visible electromagnetic radiation
device - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"
lamp - an artificial source of visible illumination
light source, light - any device serving as a source of illumination; "he stopped the car and turned off the lights"
ultraviolet lamp, ultraviolet source - any source of illumination that emits ultraviolet radiation
References in periodicals archive ?
As a source of illumination, the benefits of LEDs have been justly recognized.
This new LED towable light tower provides operators with a durable, reliable bright source of illumination for large work areas that are exposed to an excessive amount of vibration, dust, and dirt, said Rob Bresnahan, CEO of Larson Electronics.
Trijicon revolutionized the use of tritium-phosphor as a source of illumination, a process by which tritium, an isotope of hydrogen, causes phosphor to fluoresce and creates a battery-free illumination option.
Ambient describes the main source of illumination for a room or space typically overhead fixtures that light the entire room ,or the first switch you turn on in a room.
In reality, your handheld light is your primary source of illumination until you've made the decision to engage a target.
The detail is clean, allowing focus to be on the wall and not on the source of illumination.
The light cast on the wall by a nearby projector took the form of the very same line, swaying at the speed at which the film reel passed before the source of illumination.
He's focusing on a single grand gesture--a wall of light that's the only source of illumination.
The USO Three quarters into the 1,300-yard journey to Woodside (where the boat would be tethered at the quayside of another abandoned dock), the street lamps of Birkenhead could be seen as faint pinpoints of light through the fog, but there was another source of illumination nearby, and Stuart could see it was coming from under the Mersey.
Light from the star shining on the inside of this cavity is believed to be the source of illumination of the fan-shaped reflection nebulae which we typically see.
The light operates in hazardous locations with a portable Class 1 Division 2 source of illumination that does not compromise on power.
CE Camelopardalis is the source of illumination for van den Bergh 15.