crystalline polymer

https://doi.org/10.1351/goldbook.C01432
A polymer showing crystallinity. One or two-dimensional order leads to mesophase structure. The range of order may be as small as about \(2\ \rm{nm}\) in one (or more) crystallographic direction(s) and is usually below \(50\ \rm{nm}\) in at least one direction.
Source:
Purple Book, 1st ed., p. 74 [Terms] [Book]