mesogenn.
/ˈmɛsə(ʊ)dʒ(ə)n/, U.S. /ˈmɛzoʊdʒ(ə)n/; see also meso- comb. form. Physical Chemistry.
A mesogenic compound or group. Cf. mesogenic adj. 2.
ΚΠ
1972 Physics Bull. May 279/1 The name mesogen is reserved for any compound capable of yielding a mesophase.
1999 D. Dunmar & K. Toriyama in D. Demus et al. Physical Properties Liquid Crystals iii. 120 Often the chromophore in a liquid crystal is not the mesogen but a solute dye molecule, which may or may not be mesogenic itself.
2009 M. Chanda & S. K. Roy Industr. Polymers, Specialty Polymers, & their Applic. ii. 13 The degree of flexibility of the polymer chain to which the mesogens are bonded can affect..the glass transition temperature.
This is a new entry (OED Third Edition, June 2014; most recently modified version published online March 2022).
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n.1972