photobleach

P3H4O1T1O1B3L1E1A1C3H4

verb

To become less absorbent, reflective or fluorescent upon exposure to light.

OriginEnglish bleach ← Ancient Greek φωτο- (phōto-) ← Proto-Hellenic *pʰáwos →
Scrabble 23
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

verbphotobleach (third-person singular simple present photobleaches, present participle photobleaching, simple past and past participle photobleached)

present singular third person photobleaches · participle present photobleaching · participle past photobleached · past photobleached

  1. intransitiveTo become less absorbent, reflective or fluorescent upon exposure to 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. Englishbleach
  9. Englishphotobleach

From photo- + bleach.

Full word history & related roots →
Cite this entry
APA

photobleach. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/photobleach

MLA

“photobleach.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/photobleach. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “photobleach,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/photobleach.

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