English adjective: retinal | |||
1. | retinal in or relating to the retina of the eye | ||
Samples | Retinal cells. | ||
English noun: retinal | |||
1. | retinal (substance) either of two yellow to red retinal pigments formed from rhodopsin by the action of light | ||
Synonyms | retinene | ||
Broader (hypernym) | pigment | ||
Substance meronym | retinal purple, rhodopsin, visual purple | ||