Element That Gives A Red Glow In A Vacuum Tube Crossword Clue

There is 1 exact and 115 possible answers.

We've checked our database and believe the answer is NEON which was last seen in the The Guardian Speedy crossword.
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We think the answer to this crossword clue is: NEON

Updated: October 15, 2023

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Expand?		Letters	Answer	Clue
	99%	4		Exact Match!
	noun • a colorless odorless gaseous element that gives a red glow in a vacuum tube; one of the six inert gasses; occurs in the air in small amounts
	41%	7		Element in vacuum tube filaments
	noun • a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands
	35%	8		Substance that gives a green glow to cathode ray tube screens
	noun • a synthetic substance that is fluorescent or phosphorescent; used to coat the screens of cathode ray tubes

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Clue Last Found In...

Source	#Number	Answer
The Guardian Speedy07 Feb 2010	Down 3
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Similar Clues

	Clue	Source
1	Element in vacuum tube filaments New York Times - 03 Nov 2002	New York Times / 03 Nov 2002
2	Element that regulates the behavior of a vacuum tube
3	Substance that gives a green glow to cathode ray tube screens
4	Vacuum tube component New York Times - 12 Nov 2017	New York Times / 12 Nov 2017
5	Vacuum tube parts New York Times - 09 Jul 2022	New York Times / 09 Jul 2022
6	Vacuum tube with five active components New York Times - 22 Mar 2020	New York Times / 22 Mar 2020
7	Word for a bright glow such as a sunbeam originally, later for a faint or dim glow; or, a brief manifestation Telegraph Giant General Knowledge - 14 Oct 2023	Telegraph Giant General Knowledge / 14 Oct 2023