photoreceptor

P3H4O1T1O1R1E1C3E1P3T1O1R1

noun

A specialized neuron or other structure able to detect and react to light.

UncommonScrabble 22

Meanings

nounphotoreceptor (plural photoreceptors)

plural photoreceptors

  1. biologyA specialized neuron or other structure able to detect and react 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. Englishreceptor
  9. Englishphotoreceptor

From photo- + receptor.

Full word history & related roots →

Translations

Catalan fotoreceptor
  • fotoreceptorbiology: a specialized neuron able to detect and react to light
Finnish fotoreseptori
  • fotoreseptoribiology: a specialized neuron able to detect and react to light
French photorécepteur
  • photorécepteurbiology: a specialized neuron able to detect and react to light
German Photorezeptor
  • Photorezeptorbiology: a specialized neuron able to detect and react to light
Irish fótaghabhdóir
  • fótaghabhdóirbiology: a specialized neuron able to detect and react to light
Italian fotorecettore
  • fotorecettorebiology: a specialized neuron able to detect and react to light
Portuguese fotorrecetor
  • fotorrecetorbiology: a specialized neuron able to detect and react to light
Spanish fotorreceptor
  • fotorreceptorbiology: a specialized neuron able to detect and react to light
Cite this entry
APA

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

MLA

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

Chicago

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

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