Transferability assumes invariance of properties, associated conceptually with an
atom or a fragment present in a variety of molecules. The property, such as
electronegativity,
nucleophilicity,
NMR chemical shift, etc.
is held as retaining a similar value in all these occurrences.
Source:
PAC, 1994, 66, 1077
(Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994))
on page 1173