Meanings
nounphotoallergen (plural photoallergens)
plural photoallergens
- A substance that generates an allergic response in the presence of light
Origin
Cite this entry
APA
photoallergen. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/photoallergen
MLA
“photoallergen.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/photoallergen. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “photoallergen,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/photoallergen.
Source: photoallergen on Wiktionary, CC BY-SA 4.0.