macromolecule catabolic process

http://purl.obolibrary.org/obo/GO_0009057

The chemical reactions and pathways resulting in the breakdown of a macromolecule, any molecule of high relative molecular mass, the structure of which essentially comprises the multiple repetition of units derived, actually or conceptually, from molecules of low relative molecular mass. [ GOC:mah ]

Synonyms: biopolymer catabolic process, macromolecule breakdown, macromolecule degradation, macromolecule catabolism