Note:
In @LT06856@ systems this term refers to a @LT06856@ to @L03579@ that occurs above the @M03821@ point.
See: polymorphic transition
Source:
PAC, 1994, 66, 577. 'Definitions of terms relating to phase transitions of the solid state (IUPAC Recommendations 1994)' on page 581 (https://doi.org/10.1351/pac199466030577)