lyotropic mesophase

https://doi.org/10.1351/goldbook.LT06896
A mesophase formed by dissolving an amphiphilic mesogen in a suitable solvent, under appropriate conditions of concentration, temperature, and pressure.
Source:
PAC, 2002, 74, 493. 'Definitions of basic terms relating to polymer liquid crystals (IUPAC Recommendations 2001)' on page 496 (https://doi.org/10.1351/pac200274030493)