We found 20 dictionaries that define the word photoreceptor:

General (12 matching dictionaries)

1. photoreceptor: Merriam-Webster
2. photoreceptor: Oxford Learner's Dictionaries
3. photoreceptor: American Heritage Dictionary of the English Language
4. photoreceptor: Collins English Dictionary
5. photoreceptor: Wordnik
6. photoreceptor: Wiktionary
7. photoreceptor: Webster's New World College Dictionary, 4th Ed.
8. photoreceptor: The Wordsmyth English Dictionary-Thesaurus
9. photoreceptor: Infoplease Dictionary
10. photoreceptor: Dictionary.com
11. Photoreceptor: Wikipedia, the Free Encyclopedia
12. photoreceptor: TheFreeDictionary.com

Business (1 matching dictionary)

13. photoreceptor: Legal dictionary

Computing (1 matching dictionary)

14. Photoreceptor (disambiguation), photoreceptor: Encyclopedia

Medicine (5 matching dictionaries)

15. photoreceptor: Merriam-Webster Medical Dictionary
16. Dorland's Illustrated Medical Dictionary (No longer online)
17. online medical dictionary (No longer online)
18. Photoreceptor: Visionary
19. Photoreceptor (disambiguation), photoreceptor: Medical dictionary

Science (1 matching dictionary)

20. Visionary, for the Study of Vision (No longer online)

Definitions from Wiktionary (photoreceptor) ▸ noun:  (biology) A specialized neuron or other structure able to detect and react to light. Similar: protoreceptor, thermoreceptor, thermoceptor, electroreceptor, electroceptor, retina, neuroreceptor, pyrenophore, sensory receptor, autoreceptor, more... Opposite: non-photoreceptor, dark receptor Phrases: photoreceptor cells, Photoreceptor cell, photoreceptor layer, photoreceptor mosaic, invertebrate photoreceptor, more... Adjectives: light, blue, single, vertebrate, circadian, limulus, retinal, primary, caudal, xerographic, extraretinal Colors:     black,     white,     gray,     red,     green, more... ▸ Words similar to photoreceptor ▸ Usage examples for photoreceptor ▸ Idioms related to photoreceptor ▸ Wikipedia articles (New!) ▸ Popular adjectives describing photoreceptor ▸ Words that often appear near photoreceptor ▸ Rhymes of photoreceptor ▸ Invented words related to photoreceptor