phototube


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pho·to·tube

 (fō′tō-to͞ob′, -tyo͞ob′)
n.
An electron tube with a photosensitive cathode.

phototube

(ˈfəʊtəʊˌtjuːb)
n
(Electronics) a type of photocell in which radiation falling on a photocathode causes electrons to flow to an anode and thus produce an electric current

pho•to•tube

(ˈfoʊ təˌtub, -ˌtyub)

n.
an electron tube with a photosensitive cathode, used like a photocell.
[1925–30]
Translations
fototubo
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References in periodicals archive ?
A separate program, assuming equal phototube efficiencies, was developed for evaluating the effects of varying different input and model parameters.
The phototube and photometer permit determination of the null point with a high degree of sensitivity.
For better timing of showers, a third reflector, this one 7 meters across and reflecting light on a similar phototube array, will be placed 240 meters from the other two.
The camera attaches to a microscope by sliding its 10X magnification lens directly into the microscope's eyepiece tube or phototube, allowing it to fit almost all light microscopes.