gas tube

American  

noun

1. an electron tube the envelope of which contains a highly rarefied gas.

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Etymology

Origin of gas tube

First recorded in 1805–15

Example Sentences

To collect the gas, raise the nitrometer off the rubber stopper, and place the gas tube from the decomposition apparatus in the glass dish W and under the opening of the nitrometer.

From Nitro-Explosives: A Practical Treatise by Sanford, P. Gerald (Percy Gerald)

I then pinch the gas tube to extinguish the flame, allow the gas to pass as before, and so blow a mixture of unburnt air and gas into the fuel.

From Scientific American Supplement, No. 481, March 21, 1885 by Various

Only one of us must risk taking the gas tube any nearer the enemy.

From The Seed of the Toc-Toc Birds by Weiss, George Henry

It is provided with a single gas socket, into which either a large or small gas tube may be screwed.

From On Laboratory Arts by Threlfall, Richard

Planes.—Horizontal: a gas tube bent horizontally round the tail.

From Jane's All the World's Aircraft 1913 by Various