photoresistor

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Related to Light-dependent resistor: photocell

pho·to·re·sis·tor

 (fō′tō-rĭ-zĭs′tər)
n.
A resistor, used in certain photoelectric cells, whose resistance varies as a function of the intensity of light it is exposed to. Also called photocell.
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References in periodicals archive ?
A light-dependent resistor (LDR) is a photoconductive sensor commonly used in devices that create an action depending on the presence or lack of light, as determined by the changes its electrical resistance.
The CdS series of cadmium sulfide light-dependent resistors offer high sensitivity with high stability.
The new CdS Photocell Series consists of single and dual cadmium sulfide (CdS) light-dependent resistors that boast high sensitivity and stability.