+The **triple point** is the precise temperature and pressure where a substance's three phases – [Solid](/wiki/solid), [Liquid](/wiki/liquid), and [Gas](/wiki/gas) – coexist in perfect thermodynamic balance. This unique state is a fundamental reference, defining points on a [Phase Diagram](/wiki/phase_diagram) and even the [Kelvin](/wiki/kelvin) temperature scale.
+## See also
+- [Phase Change](/wiki/phase_change)
+- [Boiling Point](/wiki/boiling_point)
+- [Melting Point](/wiki/melting_point)
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