1. A red photopigment in the retinal rods of vertebrates; dissociates into retinene by light
   - visual purple, rhodopsin

Derived forms: retinal purples

Type of: photopigment

Part of: retinal rod, rod, rod cell

• plosive consonant
• plosive speech sound
• plot
• plot element
• plot line
• plot of ground
• plot of land
• Plotinus
• Plott hound
• plotted
• plotter
• plough
• plough horse
• umbel
• umbel-like
• Umbellales
• umbellar
• umbellate
• umbellifer
• Umbelliferae
• umbelliferous
• umbelliferous plant
• umbelliform
• Umbellularia
• Umbellularia californica