amphiprotic (solvent)

https://doi.org/10.1351/goldbook.A00304
Self-ionizing solvent possessing both characteristics of @B00744@ and @B00745@, for example H2O and CH3OH, in contrast to @A00425@.
Sources:
Orange Book, 2nd ed., p. 30 [Terms]
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1083 [Terms] [Paper]