Solid solution
![Fig. 1 A binary phase diagram displaying solid solutions over the full range of relative concentrations.](/Images/godic/202501/27/Solid_solution.svg0046.png")
![](/Images/godic/202501/27/Eutektikum_new.svg0046.png")
IUPAC definition
Solid in which components are compatible and form a unique phase.
Note 1: The definition “crystal containing a second constituent which fits into and
is distributed in the lattice of the host crystal” given in refs., is not general
and, thus, is not recommended.