(pho-to-cell) 3 syllables

Definition

noun. A device that generates an electric current or a voltage dependent on the degree of illumination.

Example Sentence

The streetlights are equipped with a photocell to automatically turn on at dusk.

More Example Sentences

A photocell can be used in solar panels to convert sunlight into electricity.

Synonyms

photoelectric cell; light sensor; photodetector

Antonyms

nonelectronic; manual; mechanical

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photocell
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