| System | Transition | Order Parameter |
| Liquid-gas | Condensation/evaporation | Density difference \Delta\rho=\rho_{liquid}-\rho_{gas} |
| Binary liquid | mixture/Unmixing | Composition difference |
| Quantum liquid | Normal fluid/superfluid | < \phi> , \psi = wavefunction |
| Liquid-solid | Melting/crystallisation | Reciprocal lattice vector |
| Magnetic solid | Ferromagnetic | Spontaneous magnetisation M |
| Antiferromagnetic | Sublattice magnetisation M | |
| Dielectric solid | Ferroelectric | Polarization P |
| Antiferroelectric | Sublattice polarisation P |