end-group
A
constitutional unit
that is an extremity of a
macromolecule
or
oligomer molecule
. An end-group is attached to only one
constitutional unit
of a macromolecule or
oligomer molecule
.
Source:
PAC, 1996,
68
, 2287
(Glossary of basic terms in polymer science (IUPAC Recommendations 1996))
on page 2294