photodetector Hear it!

photodetector definition

photo·detec·tor (fōt′ō dē tek′tər)

noun

any electronic device, esp. a photodiode, that responds to or measures the intensity of ultraviolet or infrared radiation or visible light

Etymology: photo- + detector

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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