phototube

[foh-tuh-toob, -tyoob]

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noun Electronics.

an electron tube with a photosensitive cathode, used like a photocell.

Origin of phototube

First recorded in 1925–30; photo- + tube

Also called photoelectric tube.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for phototube

phototube

noun

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

phototube

Origin of .css-1fxfie5{font-size:22px;}@media (max-width:768px){.css-1fxfie5{font-size:18px;margin:0 10px 10px 0;word-break:break-all;word-wrap:break-word;-webkit-hyphens:auto;-moz-hyphens:auto;-ms-hyphens:auto;hyphens:auto;line-height:22px;}}phototube

phototube

Origin of phototube