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photoelectric cell
photoelectric cell definition
☆ photoelectric cell
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.
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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