Critical point (thermodynamics)

Critical Point (Thermodynamics)

The Critical Point (pronounced: kri-ti-kal point) in Thermodynamics is the point at which the phase boundaries cease to exist. It is the highest temperature and pressure at which the phase transition between the gas and liquid states can occur.

Etymology

The term "Critical Point" originates from the Greek word "kritikos", meaning decisive or crucial. In the context of thermodynamics, it refers to the decisive point at which the physical properties of a substance undergo a significant change.

Related Terms

• Phase: A distinct form that matter can take on, such as solid, liquid, and gas.
• Phase Transition: The process of changing from one state of matter to another.
• Gas: One of the four fundamental states of matter.
• Liquid: A nearly incompressible fluid that conforms to the shape of its container.
• Thermodynamics: The branch of physics that deals with heat and temperature, and their relation to energy, work, radiation, and properties of matter.

See Also

• Triple Point
• Supercritical Fluid
• Critical Phenomena

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