electron tube
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
On Dec. 7, 1941 the electron tube caught the mutter of Japanese aircraft when they were 132 miles away from Pearl Harbor.
From Time Magazine Archive
In an ordinary electron tube, electrons "boil" off a heated filament into a high vacuum.
From Time Magazine Archive
This light, bouncing off targets, is focused on a semitransparent screen at the front end of an extremely sensitive electron tube.
From Time Magazine Archive
Even at the very hour that war began the electron tube was the first to serve the nation.
From Time Magazine Archive
There is no glass envelope, as in an electron tube, and no complicated insides.
From Time Magazine Archive
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
