| 单词 | photocell |
| 释义 | photocell /foh"toh sel'/, n. Electronics. a solid-state device that converts light into electrical energy by producing a voltage, as in a photovoltaic cell, or uses light to regulate the flow of current, as in a photoconductive cell: used in automatic control systems for doors, lighting, etc. Also called electric eye, photoelectric cell. [1890-95; PHOTO- + CELL1] |
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