photodiagnosis

P3H4O1T1O1D2I1A1G2N1O1S1I1S1

noun

Diagnosis by means of visible or infrared light.

OriginEnglish diagnosis ← Latin diagnōsis ← Ancient Greek δῐᾰ́γνωσῐς (dĭắgnōsĭs) →
Scrabble 21
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Meanings

nounphotodiagnosis (uncountable)
  1. uncountablemedicineDiagnosis by means of visible or infrared light.

Origin

  1. Proto-Indo-European*bʰeh₂-
  2. Proto-Indo-European*bʰéh₂os
  3. Proto-Hellenic*pʰáwos
  4. Ancient Greekφᾰ́ος (phắos)
  5. Ancient Greekφῶς (phôs)
  6. Ancient Greekφωτο- (phōto-)
  7. Englishphoto-
  8. Proto-Indo-European*dwóh₁
  9. Proto-Indo-European*trísinflu.
  10. Proto-Indo-European*dwís
  11. Ancient Greekδιά (diá)
  12. Ancient Greekδια- (dia-)
  13. Proto-Indo-European*ǵneh₃-
  14. Proto-Indo-European*ǵn̥h₃sḱéti
  15. Proto-Hellenic*gignṓskō
  16. Ancient Greekγῐγνώσκω (gĭgnṓskō)
  17. Ancient Greekδῐαγῐγνώσκω (dĭagĭgnṓskō)
  18. Ancient Greekδῐᾰ́γνωσῐς (dĭắgnōsĭs)
  19. Latindiagnōsis
  20. Englishdiagnosis
  21. Englishphotodiagnosis

From photo- + diagnosis.

Full word history & related roots →
Cite this entry
APA

photodiagnosis. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/photodiagnosis

MLA

“photodiagnosis.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/photodiagnosis. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “photodiagnosis,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/photodiagnosis.

Source: photodiagnosis on Wiktionary, CC BY-SA 4.0.