Meaning of the word photocell in English

What does photocell mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

photocell

US /ˈfoʊ.t̬oʊ.sel/
UK /ˈfəʊ.təʊ.sel/
"photocell" picture

Noun

a device that generates an electric current or voltage when exposed to light, or whose resistance changes when light falls on it

Example:
The streetlights are controlled by a photocell that turns them on at dusk.
The automatic door uses a photocell to detect when someone is approaching.