Attachment of the ion
\(\ce{^{1}H^{+}}\) of relative isotopic mass approximately equal to 1.
See also: hydronation
Source:
PAC, 2022, 94, 353. 'Glossary of terms used in physical organic chemistry (IUPAC Recommendations 2021)' on page 488 (https://doi.org/10.1515/pac-2018-1010)