What does "chemiluminescence" mean?

The emission of light as the result of a chemical reaction.

Chemiluminescence

Common synonyms include: fata morgana, fluorescence, fox fire, ignis fatuus, luminescence, phosphor.

noun

noun ·Rare ·Advanced level

Noun

1
The emission of light as the result of a chemical reaction. uncountable, usually
2
luminescence resulting from a chemical reaction as the oxidation of luciferin in fireflies wordnet

From chemi- + luminescence.