phototube
English
Etymology
From
photo-
+
tube
.
Noun
phototube
(
plural
phototubes
)
A
gas
-filled
electron tube
that has a
photosensitive
cathode
.
Translations
gas-filled electron tube
German:
Photozelle
(de)
f
Polish:
fotokomórka
(pl)
f
Spanish:
fototubo
m