single-strand chain

in a polymer
https://doi.org/10.1351/goldbook.S05692
A
chain
that comprises
constitutional units
connected in such a way that adjacent constitutional units are joined to each other through two atoms, one on each
constitutional units
.
Source:
PAC, 1996, 68, 2287. (Glossary of basic terms in polymer science (IUPAC Recommendations 1996)) on page 2294 [Terms] [Paper]