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
A photoelectric cell
Find another word for magic-eye. In this page you can discover 4 synonyms, antonyms, idiomatic expressions, and related words for magic-eye, like: photoelectric-cell, photoconductive cell, photocell and electric-eye.