| NOUN | artifact | magic eye, photoelectric cell, photoconductive cell, photocell, electric eye | a transducer used to detect and measure light and other radiations |
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| Meaning | A transducer used to detect and measure light and other radiations. | |
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| Synonyms | photoelectric cell, photoconductive cell, photocell, electric eye | |
| Parts | photocathode | A cathode that emits electrons when illuminated |
| Narrower | selenium cell | A photoelectric cell that uses a strip of selenium |
| Broader | detector, sensor, sensing element | Any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner |
| transducer | An electrical device that converts one form of energy into another | |
| Spanish | célula fotoeléctrica, electric eye | |
| Catalan | electric eye, fotocèl·lula | |
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