noble gas

noun

Definition of noble gas

: any of a group of rare gases that include helium, neon, argon, krypton, xenon, and usually radon and that exhibit great stability and extremely low reaction rates

called also inert gas

Examples of noble gas in a Sentence

Recent Examples on the Web

In the moon's vacuum, atoms of noble gases such as argon and krypton will be captured in the aluminum. James R. Berry, Popular Mechanics, "Man's First Day on the Moon," 19 July 2019 The abundance of noble gases in the sample can help determine its age. Jason Davis, NBC News, "Apollo moon rocks may unlock more secrets about our solar system," 21 June 2019 From the top: Air is 78 percent nitrogen, just under 21 percent oxygen, and the rest is water vapor, CO2 and small concentrations of noble gases such as neon and argon. Ezra Dyer, Popular Mechanics, "Should You Really Put Nitrogen in Your Car Tires?," 19 Dec. 2018 Which is ironic, as that institution was home to scientists who discovered five noble gases. Steve Mirsky, Scientific American, "A Book That Bills Itself as “the Definitive Field Guide to Animal Flatulence”," 1 June 2018 The Xenex LightStrike uses pulsed xenon, an environmentally-friendly noble gas, to create full-spectrum high-intensity ultraviolet (UV) light that can destroy infectious bacteria and viruses within five minutes. Candace Hoffman, azcentral, "Xena The Germinator," 2 May 2018 From that one a Colts fan would learn something about noble gases, and Sir William Ramsay himself would learn something about the NFL. Jack Dickey, SI.com, "What It's Like to Win $47,802 on Jeopardy!," 23 Apr. 2018 There is no way to confirm this claim unless atmospheric sampling detects certain noble gases (for example, xenon) that are associated with the detonation of a thermonuclear device. Sharon Squassoni, Fortune, "North Korea Doesn’t Actually Want a Nuclear War," 6 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'noble gas.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of noble gas

1902, in the meaning defined above

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25 Jul 2019

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The first known use of noble gas was in 1902

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More Definitions for noble gas

noble gas

noun
no·​ble gas | \ ˈnō-bəl- How to pronounce noble gas (audio) \

Medical Definition of noble gas

: any of a group of rare gases that include helium, neon, argon, krypton, xenon, and sometimes radon and that exhibit great stability and extremely low reaction rates

called also inert gas

More from Merriam-Webster on noble gas

Britannica.com: Encyclopedia article about noble gas

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