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 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 That means to model a steam world, researchers have to consider how water behaves as pure steam, and in extreme states like as a supercritical fluid and as superionic ice. Robert Lea, Space.com, 26 Aug. 2025 One of the innovations in Nike’s original super shoe was in employing something called supercritical foam to boost energy return to new levels. Wes Siler, Outside, 5 Aug. 2025 An atomic bomb relies on specific, precisely engineered and timed conditions to create a supercritical mass and initiate a chain reaction. David Bressan, Forbes.com, 26 June 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

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Cite this Entry

“Supercritical.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/supercritical. Accessed 20 Sep. 2025.

Last Updated: - Updated example sentences
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