English noun: visual purple | |||
1. | visual purple (substance) a red photopigment in the retinal rods of vertebrates; dissociates into retinene by light | ||
Synonyms | retinal purple, rhodopsin | ||
Broader (hypernym) | photopigment | ||
Part meronym | retinal rod, rod, rod cell | ||
Substance holonym | opsin, retinal, retinene | ||