macromolecular coil

https://doi.org/10.1351/goldbook.12207
Depiction of a macromolecule in which its segments are distributed about some point in space.
Note: The point in space is usually chosen as the molecular centre of mass or a chain end.
Source:
PAC, 2015, 87, 71. (Definitions of terms relating to individual macromolecules, macromolecular assemblies, polymer solutions, and amorphous bulk polymers (IUPAC Recommendations 2014)) on page 79 [Terms] [Paper]