|
|
| pho·to·e·lec·tric cell (plural pho·to·e·lec·tric cells) |
noun |
|
| Definition: |
| |
photosensitive device controlling electric current: a solid-state device sensitive to varying levels of light that is used to generate or control an electric current, e.g. in burglar alarms, smoke detectors, and exposure meters
|
|