incandescence

Incandescence is the light from heat. A fireplace adds a warm incandescence to a house in the winter.

The glow of a fire is known as incandescence. If you see a shooting star, the bright light is due to incandescence. When you have a good idea, a cartoon light bulb goes on over your head – incandescence can refer to that kind of lighting up, too, like a brilliant idea that sheds light on something. If someone has a thousand-watt smile, that’s incandescence. Any time something lights up from heat, physically or emotionally, it produces incandescence.

Definitions of incandescence
1

n the phenomenon of light emission by a body as its temperature is raised

Synonyms:
glow
Type of:
light, visible light, visible radiation
(physics) electromagnetic radiation that can produce a visual sensation

n light from heat

Type of:
brightness, brightness level, light, luminance, luminosity, luminousness
the quality of being luminous; emitting or reflecting light

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