Wiktionary
selenium cell
n. a photoelectric cell that uses a strip of selenium as the electron source
WordNet
selenium cell
n. a photoelectric cell that uses a strip of selenium
Usage examples of "selenium cell".
That parabolic mirror gathers in the scattered rays, focusses them on the selenium cell which you saw in the middle of the reflector, and that causes the cell to vary the amount of electric current passing through it from a battery of storage cells.
There was not a soul in the room, nothing but the selenium cell, the chairs, the desk.
The faithful little selenium cell burglar alarm had done the trick.
Upon this dry call of selenium cell (that horn of lunghalloon, Riland's in peril!