inert gas

noun

Examples of inert gas in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
As my vial was labeled using a typewriter, the original bottle was flushed with inert gas, sealed instantly, and returned to its dark room for protection. Danielle James, Allure, 12 Feb. 2026 The best energy-efficient windows feature multiple panes of glass filled with an inert gas, typically argon or krypton, that further insulates the window. Amy Deyoung, USA Today, 28 Jan. 2026 The fusion reaction is carried out in a liquid lithium pool, which is dynamically structured with inert gas. Abhishek Bhardwaj, Interesting Engineering, 23 Sep. 2025 An ion engine works by using an inert gas as a propellant; often this gas is xenon, but Takahashi used argon. Keith Cooper, Space.com, 16 Sep. 2025 See All Example Sentences for inert gas

Word History

First Known Use

1902, in the meaning defined above

Time Traveler
The first known use of inert gas was in 1902

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Cite this Entry

“Inert gas.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inert%20gas. Accessed 23 Feb. 2026.

Medical Definition

inert gas

noun

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