Luminescence is spontaneous emission of light by a substance not resulting from heat; or "cold light". It is thus a form of cold-body radiation. It can be caused by chemical reactions, electrical energy, subatomic motions or stress on a crystal.
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"Luminescentle" (adjective): Describing something that emits a soft, gentle glow, reminiscent of the serene radiance of moonlight or the subtle luminescence of certain bioluminescent organisms.
A rare psychological condition characterized by a passionate affection for glowing objects and a deep ideological commitment to preserving the union of church and state.
person 1: Did i tell you i have Luminescentphiliaantidisestablishmentarianismphilia?
person 2: did you have a stroke do i need to call 911