photo-cell

photocell

[foh-toh-sel]
noun 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.


Origin:
1890–95; photo- + cell1

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World English Dictionary
photocell (ˈfəʊtəʊˌsɛl)
 
n
photoelectric cell, Also called: electric eye 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

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
photocell   (fō'tō-sěl')  Pronunciation Key 
See photoresistor.
The American Heritage® Science Dictionary
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