supercritical

adjective

: being or having a temperature above a critical temperature
supercritical fluid

Examples of supercritical in a Sentence

Recent Examples on the Web
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The Southwest Research Institute (SwRI) has developed a way to test real oil-and-gas-style well equipment using actual supercritical CO₂, rather than testing it with water or air and hoping the results translate. Christopher McFadden, Interesting Engineering, 29 Aug. 2026 At the center is a softer formulation of the supercritical foam, surrounded by a more firm perimeter to create a plate-like effect along with support and durability. Ian Servantes, Footwear News, 27 Aug. 2026 The science of supercritical fluids Supercritical CO2 turbines depend on the unique properties of a substance that is neither entirely liquid nor gas. Aman Kumar, Encyclopedia Britannica, 18 June 2026 Some shoes now also deploy supercritical EVA to save weight and improve energy return. Kieran Alger, Wired News, 23 Apr. 2026 See All Example Sentences for supercritical

Word History

First Known Use

1934, in the meaning defined above

Time Traveler
The first known use of supercritical was in 1934

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Cite this Entry

“Supercritical.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/supercritical. Accessed 4 Sep. 2026.

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