We found 4 dictionaries that define the word retinal rods:

General (3 matching dictionaries)

1. retinal rods: Collins English Dictionary
2. retinal rods: Vocabulary.com
3. Retinal rods: Wikipedia, the Free Encyclopedia

Medicine (1 matching dictionary)

4. Retinal rods: Medical dictionary

(Note: See retinal_rod as well.)

Definitions from WordNet (retinal rod) ▸ noun:  visual receptor cell sensitive to dim light ▸ Also see retinal_rod ▸ Words similar to retinal rods ▸ Usage examples for retinal rods ▸ Idioms related to retinal rods ▸ Wikipedia articles (New!) ▸ Words that often appear near retinal rods ▸ Rhymes of retinal rods ▸ Invented words related to retinal rods