https://doi.org/10.1351/goldbook.G02705
A defined linked @[email protected] of atoms or a single atom within a @[email protected] This use of the term in physical organic and general chemistry is less restrictive than the definition adopted for the purpose of nomenclature of organic compounds.
See also:
characteristic group (in organic nomenclature)
, principal group (in inorganic nomenclature)
, substituent