amphiprotic
/ˌæmfɪˈprɑtɪk/
adjective
- Able to both donate and accept a proton (hydrogen ion), thus acting as either an acid or a base.
- Chemists study amphiprotic compounds to understand acid-base behavior.
- In the reaction, the amphiprotic substance donated a proton to the base.
- Water is amphiprotic because it can act as both an acid and a base.