Block macromolecule in which at least one block is a dendron.
Example: 
Dendron-substituted poly(oxyethylene).
Source:
PAC, 2019, 91, 523. 'Nomenclature and terminology for dendrimers with regular dendrons and for hyperbranched polymers (IUPAC Recommendations 2017)' on page 528 (https://doi.org/10.1515/pac-2016-1217)