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glow lamp

noun, Electronics.
a vacuum tube containing a gas that is ionized by the electrons, giving a visible glow.
Origin of glow lamp
First recorded in 1880-85 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for glow lamp
Historical Examples
  • You will understand I and the other marching electrons did not produce the waves of light sent out by the glow lamp.

    Autobiography of an Electron Charles R. (Charles Robert) Gibson
  • This was the famous Edison's incandescent or glow lamp (Fig. 10), which we see on every hand.

    Stories of Useful Inventions Samuel Eagle Foreman
British Dictionary definitions for glow lamp

glow lamp

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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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