addition
Refers to
addition reaction
or addition
transformation
.
Loosely, the formation of an
adduct
. (For an example, see
Lewis acid
.)
Loosely, any
association
or
attachment
.
Source:
PAC, 1994,
66
, 1077
(Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994))
on page 1081