Other definitions for retinal (2 of 2)
retinal2
[ ret-n-al, -awl ]
nounBiochemistry.
an orange pigment, C20H28O, that is the active component of rhodopsin and is liberated upon the absorption of light in the vision cycle; vitamin A aldehyde.
Origin of retinal
2- Also ret·i·nene [ret-n-een]. /ˈrɛt nˌin/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
Browse