Word.ws English Dictionary

phototonus

phototonus noun: sensitivity to, or irritation caused by, light.

Noun

phototonus (uncountable)

  1. sensitivity to, or irritation caused by, light

Questions about phototonus

What does phototonus mean?
Phototonus means sensitivity to, or irritation caused by, light.
What part of speech is phototonus?
Phototonus is a noun.

Words near phototonus in the dictionary

  1. photothyristors
  2. phototolerance
  3. phototolerances
  4. phototolerant
  5. phototonic
  6. phototonus
  7. phototopic
  8. phototopographer
  9. phototopographers
  10. phototopographic
  11. phototopographical

Source and license

Adapted from Wiktionary: phototonus (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “phototonus.” Word.ws, https://word.ws/phototonus. Based on Wiktionary, CC BY-SA 4.0.