-
- To save this word, you'll need to log in.
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
When a nucleus has a magic number of protons or neutrons, then the particular orbit is filled, and the nucleus is not very reactive, similar to the noble gases.
—Artemis Spyrou, Discover Magazine, 9 Oct. 2024
One class of elements, the noble gases, hardly ever react with other elements.
—Artemis Spyrou, The Conversation, 7 Oct. 2024
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
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
Articles Related to noble gas
Dictionary Entries Near noble gas
Cite this Entry
“Noble gas.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/noble%20gas. Accessed 31 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share