A photoelectric device containing a piece of selenium.
硒光电管
Example sentencesExamples
While working on the photophone, he inadvertently discovered that if a beam of light was focused on a selenium cell and then rapidly interrupted by a rotating disk, the cell produced an audible sound.
Definition of selenium cell in US English:
selenium cell
noun
A photoelectric device containing a piece of selenium.
硒光电管
Example sentencesExamples
While working on the photophone, he inadvertently discovered that if a beam of light was focused on a selenium cell and then rapidly interrupted by a rotating disk, the cell produced an audible sound.