Meanings
nounphotographometer (plural photographometers)
plural photographometers
- historicalAn instrument for determining the sensibility of the plates employed in photographic processes to luminous rays.
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*gerbʰ-
- Proto-Hellenic*grə́pʰō
- Ancient Greekγράφω (gráphō)
- Englishphotograph
- Proto-Indo-European*med-
- Proto-Indo-European*meh₁-
- Ancient Greekμέτρον (métron)
- Englishphotographometer
From photograph + -o- + -meter.
Full word history & related roots →Cite this entry
APA
photographometer. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/photographometer
MLA
“photographometer.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/photographometer. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “photographometer,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/photographometer.
Source: photographometer on Wiktionary, CC BY-SA 4.0.