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WordReference Random House Learner's Dictionary of American English © 2024pho•to•cell /ˈfoʊtoʊˌsɛl/USA pronunciation n. [countable]- Electronicsan electronic device that converts light into electrical energy by producing voltage:Photocells are used in automatic control systems for doors.
WordReference Random House Unabridged Dictionary of American English © 2024pho•to•cell (fō′tō sel′),USA pronunciation n. [Electronics.]- Electronicsa 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.
Collins Concise English Dictionary © HarperCollins Publishers:: photocell /ˈfəʊtəʊˌsɛl/ n - a device in which the photoelectric or photovoltaic effect or photoconductivity is used to produce a current or voltage when exposed to light or other electromagnetic radiation. They are used in exposure meters, burglar alarms, etc
Also called: photoelectric cell, electric eye
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