luminescence
nounUK /ˌluːmɪˈnesns/
US /ˌluːməˈnesns/
A soft light that comes from something without heat, like a glow.
The fireflies' luminescence lit up the garden at night.
SYNONYMS
RELATED WORDS
OTHER MEANINGS
2. The giving off of light by a living thing, such as a jellyfish or firefly.
The ocean glowed with the luminescence of tiny sea creatures.
3. A bright, glowing quality in a person's face or eyes.
There was a strange luminescence in her eyes after the good news.
4. Light produced by a chemical or electrical process rather than by heat.
The watch dial's luminescence helped him see the time in the dark.