photocell
(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