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critical point

Syllabification: crit·i·cal point

Definition of critical point in English:

noun

1 Chemistry A point on a phase diagram at which both the liquid and gas phases of a substance have the same density, and are therefore indistinguishable.
Example sentences
  • A gas is distinguished from a vapor in that a gas is above the critical point at which the liquid boils.
  • Critical phenomena relates to the physical properties of matter that occur at the phase transition points and specifically at the critical points.
  • It is full of physics-based phenomena for which Schelling did not know the words, such as phase transitions and critical points.
2 Mathematics , US A point on a curve where the gradient is zero.

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