The temperature (pressure) at which one polymorph of a solid phase changes into another at constant pressure (temperature).
Source: PAC, 1994, 66, 577. (Definitions of terms relating to phase transitions of the solid state (IUPAC Recommendations 1994)) on page 584 [Terms] [Paper]
Citation: 'inversion point' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.I03149 RISBibTexEndNote