oligomer

Also contains definition of: telomer
https://doi.org/10.1351/goldbook.O04283
A substance composed of oligomer molecules. An oligomer obtained by telomerization is often termed a telomer.
Source:
PAC, 1996, 68, 2287. 'Glossary of basic terms in polymer science (IUPAC Recommendations 1996)' on page 2289 (https://doi.org/10.1351/pac199668122287)