supercritical

adjective

su·​per·​crit·​i·​cal ˌsü-pər-ˈkri-ti-kəl 

: being or having a temperature above a critical temperature

supercritical fluid

Examples of supercritical in a Sentence

Recent Examples on the Web

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

The system uses heat pipes to move heat away from the reactor core and into a supercritical carbon dioxide power conversion system that generates electricity. — Aamir Khollam, Interesting Engineering, 11 June 2026

The supercritical foam delivers higher energy return than the FF Blast Max formulation used for the rest of the midsole, which will translate to a greater sense of pep for forefoot strikers or in the toe period of the heel-to-toe transition. — Ian Servantes, Footwear News, 29 May 2026

Some shoes now also deploy supercritical EVA to save weight and improve energy return. — Kieran Alger, Wired News, 23 Apr. 2026

Word History

First Known Use

1934, in the meaning defined above

Rhymes for supercritical

• analytical
• apolitical
• diacritical
• hypercritical
• hypocritical
• nonpolitical
• parasitical
• critical
• geopolitical
• levitical
• noncritical
• political