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 10 synonyms, antonyms, idiomatic expressions, and related words for photocell, like: filament-lamp, photoelectric-cell, photoresistor, photoconductive cell, electric-eye, magic-eye, dimmable, rheostat, MR16 and strobe.