source of illumination
Also found in: Thesaurus.
Switch to new thesaurus
|Noun||1.||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"