regular oligomer molecule

https://doi.org/10.1351/goldbook.R05248
An
oligomer molecule
the structure of which essentially comprises the repetition of a single
constitutional unit
with all units connected identically with respect to directional sense.
Source:
PAC, 1996, 68, 2287. (Glossary of basic terms in polymer science (IUPAC Recommendations 1996)) on page 2290 [Terms] [Paper]