supercritical fluid

supercritical fluid
A substance at a temperature and pressure above its own thermodynamic critical point that can diffuse through solids like a gas and dissolve materials like a liquid.

The most commonly used supercritical fluids are carbon dioxide and water.


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  • supercritical — adjective Date: 1934 being or having a temperature above a critical temperature < supercritical fluid > …   New Collegiate Dictionary

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