Meanings
nounphotosubstitution (plural photosubstitutions)
plural photosubstitutions
- chemistryAny photochemical substitution reaction
Origin
- Proto-Indo-European*bʰeh₂-
- Proto-Indo-European*bʰéh₂os
- Proto-Hellenic*pʰáwos
- Ancient Greekφᾰ́ος (phắos)
- Ancient Greekφῶς (phôs)
- Ancient Greekφωτο- (phōto-)
- Englishphoto-
- Englishsubstitution
- Englishphotosubstitution
From photo- + substitution.
Full word history & related roots →Cite this entry
APA
photosubstitution. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/photosubstitution
MLA
“photosubstitution.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/photosubstitution. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “photosubstitution,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/photosubstitution.
Source: photosubstitution on Wiktionary, CC BY-SA 4.0.