photothermal

P3H4O1T1O1T1H4E1R1M3A1L1

adjective

Involving the production of heat by photoexcitation.

OriginEnglish thermal ← Ancient Greek φωτο- (phōto-) ← Proto-Hellenic *pʰáwos →
RareScrabble 22
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Meanings

adjectivephotothermal (not comparable)
  1. not comparablenatural sciencesInvolving the production of heat by photoexcitation.

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. Englishthermal
  9. Englishphotothermal

From photo- + thermal.

Full word history & related roots →
Cite this entry
APA

photothermal. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/photothermal

MLA

“photothermal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/photothermal. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “photothermal,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/photothermal.

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