f-functional branch point

Branch point from which f linear chains emanate.
  1. Examples are three-, four- and five-functional, branch points.
  2. Alternatively, the terms trifunctional, tetrafunctional, pentafunctional, etc. may be used.
See also: functionality (of a monomer)
PAC, 2007, 79, 1801. 'Definitions of terms relating to the structure and processing of sols, gels, networks, and inorganic-organic hybrid materials (IUPAC Recommendations 2007)' on page 1818 (https://doi.org/10.1351/pac200779101801)