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

But there are myriads of electrons in the carbon of the glow lamp that never attain the requisite speed to produce those waves; they revolve around their atoms at too slow a rate.

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)

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

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)

The filament of a glow lamp, on the other hand, is most likely to meet the eye, but a frosted bulb is an extremely simple and common way of entirely getting over that difficulty.

From Scientific American Supplement, No. 1082, September 26, 1896 by Various

He was perpetually opening and closing the Cavorite windows, making calculations, consulting his chronometer by means of the glow lamp during those last eventful hours.

From The First Men in the Moon by Wells, H. G. (Herbert George)