https://doi.org/10.1351/goldbook.B00744
A @M03986@ capable of donating a @H02904@ (@P04906@) to a base, (i.e. a '@H02904@ donor') or the corresponding @CT01038@. For example: H2O, H3O+, CH3CO2H, H2SO4, HSO4, HCl, CH3OH, NH3.
See also:
conjugate acid–base pair
Source:
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1091 [Terms] [Paper]