Meanings
- uncountablechemistryUsed attributively to describe a map of the electron density differences between parts of a sample that had been irradiated
Origin
- Proto-Indo-European*bʰeh₂-
- Proto-Indo-European*bʰéh₂os
- Proto-Hellenic*pʰáwos
- Ancient Greekφᾰ́ος (phắos)
- Ancient Greekφῶς (phôs)
- Ancient Greekφωτο- (phōto-)
- Englishphoto-
- Proto-Indo-European*dwóh₁
- Proto-Indo-European*trísinflu.
- Proto-Indo-European*d(w)is-
- Proto-Italic*dis-
- Latindis-
- Proto-Indo-European*bʰer-
- Proto-Indo-European*bʰéreti
- Proto-Italic*ferō
- Latinferō
- Latindifferō
- Latindifferēns
- Latindifferentia
- Old Frenchdifference
- Middle Englishdifference
- Englishdifference
- Englishphotodifference
From photo- + difference.
Full word history & related roots →Cite this entry
photodifference. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/photodifference
“photodifference.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/photodifference. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “photodifference,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/photodifference.
Source: photodifference on Wiktionary, CC BY-SA 4.0.