Is “Photoreceptor” a Scrabble word?
Yes
PHOTORECEPTOR
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Photoreceptor
noun
1.A specialized neuron or other structure able to detect and react to light.