These comprise both
association colloids in which
aggregates of small molecules are formed reversibly and macromolecules in which the molecules
themselves are of
colloidal size.
Source:
PAC, 1972, 31, 577
(Manual of Symbols and Terminology for Physicochemical Quantities and Units, Appendix
II: Definitions, Terminology and Symbols in Colloid and Surface Chemistry)
on page 607