photomedicine

P3H4O1T1O1M3E1D2I1C3I1N1E1

noun

The branch of medicine that involves the therapeutic use of light.

OriginEnglish medicine ← Ancient Greek φωτο- (phōto-) ← Proto-Hellenic *pʰáwos →
Scrabble 23
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Meanings

nounphotomedicine (uncountable)
  1. uncountablemedicineThe branch of medicine that involves the therapeutic use of 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. Englishmedicine
  9. Englishphotomedicine

From photo- + medicine.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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