in polymers
Also contains definitions of: long-chain branch, short-chain branch
https://doi.org/10.1351/goldbook.B00720
An @O04286@ or @M03667-1@ offshoot from a @M03667-2@.
Notes:
  1. An @O04286@ branch may be termed a short-chain branch.
  2. A @M03667-1@ branch may be termed a long-chain branch.
Source:
PAC, 1996, 68, 2287. (Glossary of basic terms in polymer science (IUPAC Recommendations 1996)) on page 2297 [Terms] [Paper]