Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
The triple point of a substance is the unique set of conditions at which all three phases (solid, liquid, and gas) exist in equilibrium.
Related terms
Phase Equilibrium: This refers to when two or more phases of a substance coexist without any change. Like standing still at that intersection without moving towards any specific terrain.