mesogenic group

https://doi.org/10.1351/goldbook.MT06858
A part of a molecule or macromolecule endowed with sufficient @AT06776@ in both attractive and repulsive forces to contribute strongly to @M03849@ or, in particular, @LT06856@ @M03849@ formation in low-molar-mass and @M03667@ substances.
Source:
PAC, 2002, 74, 493. (Definitions of basic terms relating to polymer liquid crystals (IUPAC Recommendations 2001)) on page 497 [Terms] [Paper]