A photodetector that regulates or produces a current or voltage in response to certain types of radiation, esp. visible light: typically incorporated in an electric circuit and used in mechanical devices as to open doors, set off alarms, etc.
a transducer used to detect and measure light and other radiations
Find another word for photocell. In this page you can discover 5 synonyms, antonyms, idiomatic expressions, and related words for photocell, like: photoelectric-cell, photoresistor, photoconductive cell, electric-eye and magic-eye.