Synonym: incongruent reaction
An isothermal, reversible reaction between two phases, a liquid and a solid, that
results, on cooling of a binary, ternary, ... ,
system in one, two, ...
new solid phases. Synonymous with incongruent reaction.
PAC, 1994, 66, 577
(Definitions of terms relating to phase transitions of the solid state (IUPAC Recommendations
on page 588