electron tube

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noun

an electronic device that consists, typically, of a sealed glass bulb containing two or more electrodes: used to generate, amplify, and rectify electric oscillations and alternating currents.

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Also called electronic tube.

Compare gas tube, vacuum tube.

Origin of electron tube

First recorded in 1920–25

Words nearby electron tube

electron radiography, electron-ray tube, electron spin resonance, electron telescope, electron transport, electron tube, electron volt, electronystagmography, electrooculogram, electro-oculography, electro-optics

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use electron tube in a sentence

With the help of mobility aids and a feeding tube, she lived well past her initial prognosis of death by age 4.
U.K. Courts Grant Mother Right to End Her 12-Year-Old Disabled Daughter’s Life|Elizabeth Picciuto|November 4, 2014|DAILY BEAST
That incident was due to an “equipment” problem (a steel tube ruptured)—resulting in explosive vapors being released and ignited.
Oil Tankers Leaking into Seattle’s Water|Bill Conroy|October 13, 2014|DAILY BEAST
For hoodie-clad, Silicon Valley-types, this means more transistors in a dense integrated tube.
How We Compute: Flexible Hardware Required||September 29, 2014|DAILY BEAST
You have the atom, which has the neutron, the electron, the proton.
‘Crazy’ Harlem Pastor Hates on Obama and Gays|Olivia Nuzzi|September 28, 2014|DAILY BEAST

But with an electron micgrograph to illustrate what was fueling the outbreak, they were able to gain the trust of the people.
1976 Vs. Today: Ebola’s Terrifying Evolution|Abby Haglage|September 10, 2014|DAILY BEAST
Drone: the largest tube of a bag-pipe, giving forth a dull heavy tone.
Gulliver's Travels|Jonathan Swift
Should the vapor not condense well, the test-tube may be immersed in a glass of cold water.
A Manual of Clinical Diagnosis|James Campbell Todd
For comparison, the gas may be passed through a test-tube containing an equal amount of distilled water.
A Manual of Clinical Diagnosis|James Campbell Todd
At once cover the mouth of the tube with a filter-paper cap moistened with saturated aqueous solution of silver nitrate (1:1).
A Manual of Clinical Diagnosis|James Campbell Todd
The best pipet is a small glass tube which has been drawn out at one end to a tip with rather small opening.
A Manual of Clinical Diagnosis|James Campbell Todd

British Dictionary definitions for electron tube

electron tube

noun

an electrical device, such as a valve, in which a flow of electrons between electrodes takes placeAlso called: vacuum tube Sometimes shortened to: tube

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

Scientific definitions for electron tube

electron tube

A sealed glass tube containing either a vacuum or a small amount of gas, in which electrons move from a negatively charged electrode, the cathode, to a positively charged one, the anode. The cathode is usually heated by an electric current to free the electrons. Other electrodes in the tube can vary the electric or magnetic fields in the tube to control the strength and direction of the moving electrons. Electron tubes are used to amplify signals, rectify AC currents, and produce x-rays, among other uses. They have been mostly replaced by transistors but are still used in television screens, computer monitors, and microwave technology. Also called valve See also vacuum tube.

electron tube

Origin of electron tube

Words nearby electron tube

Words related to electron tube

How to use electron tube in a sentence

British Dictionary definitions for electron tube

Scientific definitions for electron tube