noble gas
nounDefinition 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
Along with rocks and soil, the drive tube brought back by Cernan and Schmitt contains a smidgeon of noble gases that were locked within the rocks and soil. — Jason Davis, NBC News, "Apollo moon rocks may unlock more secrets about our solar system," 21 June 2019 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. 2017These 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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More Definitions for noble gas
noble gas
noun
no·ble gas
| \ ˈnō-bəl-
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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