Meanings
nouncold light (countable and uncountable, plural cold lights)
plural cold lights
- countableuncountablebiologyA light emitted from a source that does not produce significant heat.
The centuries-old mystery of the cold light produced by the Firefly and the Glow-Worm is still partially a riddle.
1961, Jean-Henri Fabre, Edwin Way Teale (contributor), The Insect World of J. Henri Fabre in the Translation of Alexander Teixeira de Mattos, page 313
Cite this entry
APA
cold light. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/cold%20light
MLA
“cold light.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cold%20light. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “cold light,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/cold%20light.
Source: cold light on Wiktionary, CC BY-SA 4.0.