glow lamp

American  

noun

Electronics.

1. a vacuum tube containing a gas that is ionized by the electrons, giving a visible glow.

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glow lamp British  

noun

1. a small light consisting of two or more electrodes in an inert gas, such as neon, at low pressure, across which an electrical discharge occurs when the voltage applied to the electrodes exceeds the ionization potential

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Etymology

Origin of glow lamp

First recorded in 1880–85

Example Sentences

See Examples For:

glow lamp

In the preceding description of what is occurring in an electric glow lamp, I have spoken only of those æther waves which constitute light.

From Autobiography of an Electron Wherein the Scientific Ideas of the Present Time Are Explained in an Interesting and Novel Fashion by Gibson, Charles R. (Charles Robert)

Ethel read the paper over and over as she held it down out of the wind by the dim glow lamp.

From In the Clutch of the War-God by Hastings, Milo M. (Milo Milton)

A portable glow lamp should also be available, so that a full light can be thrown into any cell; a frosted bulb is rather better than a clear one for this purpose.

From The Project Gutenberg Encyclopedia Volume 1 of 28 by Project Gutenberg

His electrokey had a special circuit that lighted up a tiny glow lamp in the key handle if the lock had been tampered with.

From Unwise Child by Garrett, Randall

The steward came again, peeping through his curtain, and said, “Plymouth, sir!” and turned on the glow lamp, for it was not yet dawn.

From The Sea and the Jungle by Tomlinson, H. M. (Henry Major)