phototube

/foh-tuh-toob, -tyoob/US // ˈfoʊ təˌtub, -ˌtyub //UK // (ˈfəʊtəʊˌtjuːb) //

光电管,光管,光导管,光导管

Definitions

n.名词 noun

1
Electronics.
- : an electron tube with a photosensitive cathode, used like a photocell.