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

Taking a hand glow lamp he ran carefully over the mechanism of the plane.

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

I heard a click, and a little glow lamp came into being.

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

Dropping his unconscious burden, the detective came up to where Mark was bending over the victim and pulled a little electric glow lamp from his pocket.

From Charred Wood by J. Clinton Shepherd

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 Randall Garrett

You will understand I and the other marching electrons did not produce the waves of light sent out by the glow lamp.

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