mesophase

https://doi.org/10.1351/goldbook.M03849
A phase occurring over a definite range of temperature, pressure, or concentration within the @[email protected]
Source:
PAC, 2002, 74, 493. (Definitions of basic terms relating to polymer liquid crystals (IUPAC Recommendations 2001)) on page 495 [Terms] [Paper]
This definition replaces an earlier definition of mesophase.