source of illumination

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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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
The improvements in EL lighting technology over the past decade, have made it now available as a low-cost, highly reliable and efficient source of illumination for many new automotive applications.
NEW YORK-No longer just a source of illumination or even fragrance, candles have become much more of a home decor item, targeting specific rooms, moods and design trends.
Religion, the Baha'i Scriptures aver, "is the source of illumination, the cause of development and the animating impulse of all human advancement" and "has been the basis of all civilization and progress in the history of mankind." It is the source of meaning and hope for the vast majority of the planet's inhabitants, and it has a limitless power to inspire sacrifice, change and long-term commitment in its followers.
The teacher of truth is not just the historical person, Jesus of Nazareth, but the Logos living in us as a perpetual source of illumination.
For most of the year, indoor venues relied on natural light filtering through the hall windows as the main source of illumination; the artificial light provided by chandeliers over the stage 'served to attenuate the extremes of the fluctuating daylight, but it made possible no major effect that could not be achieved by daylight alone' (p.
After Captain Cook's crossing of the Antarctic Circle (see 1773), much of the exploration of Antarctic waters was conducted by sealers and whalers, as a by-product of their search for seal fur and whale blubber and oil (whale oil being a major source of illumination in the lamps of Europe and America).
Oil became an important export product and kerosene displaced whale oil and candles as a source of illumination.
Walls centered on the skylights allow light to cascade down both sides, which become the primary source of illumination for the galleries.
The star couched in its northwestern end is the primary source of illumination, but the nebula itself was probably sculpted by outflow from another nearby star.
White and coloured light sources set within the polycarbonate skin transform the structure into a source of illumination after dark; hovering benignly over the square the giant canopy glows with soft light.
If indirect lighting is a source of illumination in your facility, the ability of a ceiling panel to reflect that light down, evenly dispersing it over a workstation, should be a primary consideration during ceiling system selection.
Candles remain a major source of illumination for social occasions even today, and there has been a dramatic increase in their use in the past few years.