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supercritical

adjective

su·​per·​crit·​i·​cal ˌsü-pər-ˈkri-ti-kəl How to pronounce supercritical (audio)
: being or having a temperature above a critical temperature
supercritical fluid

Examples of supercritical 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.
The China National Nuclear Corporation (CNNC) claimed the world’s first commercial supercritical carbon dioxide power generator has been connected to the grid. Abhishek Bhardwaj, Interesting Engineering, 25 Nov. 2025 China has launched the world's first commercial supercritical carbon dioxide (sCO2) power generator, an innovative clean-energy breakthrough developed by the China National Nuclear Corporation (CNNC). Sam Stevenson, MSNBC Newsweek, 25 Nov. 2025 Weeks after this interview, and after this story went to print, New Balance introduced Infinion, a new supercritical foam that will debuted on the 1080v15. Ian Servantes, Footwear News, 12 Nov. 2025 The globally patented, dyeing technology uses supercritical CO₂ (carbon dioxide in a fluid state) as the medium to dye fabrics instead of water and chemical compounds. Angela Velasquez, Sourcing Journal, 12 Sep. 2025 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

Browse Nearby Words

Cite this Entry

“Supercritical.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/supercritical. Accessed 30 Nov. 2025.

Last Updated: - Updated example sentences
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