English Dictionary

critical point

noun

(thermodynamics) The temperature and pressure at which the vapour density of the gas and liquid phases of a fluid are equal, at which point there is no difference between gas and liquid.

The temperature at which water boils is a critical point.

意味（1）

(thermodynamics) The temperature and pressure at which the vapour density of the gas and liquid phases of a fluid are equal, at which point there is no difference between gas and liquid.

意味（2）

(mathematics) A maximum, minimum or point of inflection on a curve; a point at which the derivative of a function is zero or undefined.

意味（3）

A juncture at which time a critical decision must be made.