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noble gas
noun
: 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
It is known that the inert noble gas xenon can act as anesthetic in animals and people.
—Hartmut Neven, Scientific American, 8 Aug. 2024
At room temperature, flerovium forms a strong bond with gold, very unlike a noble gas.
—Stephanie Pappas, Scientific American, 14 May 2024
And an ambitious plan by researchers in Canada aims to study molecules confined inside a solid crystal of frozen noble gas.
—Luke Caldwell, Scientific American, 16 Jan. 2024
Chemists group elements with similar properties, like halogens and noble gases.
—Robert M. Thorson, Discover Magazine, 9 Dec. 2023
See all Example Sentences for noble gas
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'noble gas.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1902, in the meaning defined above
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Cite this Entry
“Noble gas.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/noble%20gas. Accessed 1 Oct. 2024.
Medical Definition
noble gas
noun
no·ble gas
ˈnō-bəl-
: 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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