amphiprotic
/ˌæmfɪˈprɒtɪk/Definitions
1. adjective
Describing a substance that can both donate and accept a proton (H+ ion), typically in an acid-base reaction.
“The amphiprotic nature of the compound allowed it to function as both an acid and a base in different chemical contexts.”
2. noun
A substance that exhibits amphiprotic behavior.
“The amphiprotic molecules in the solution played a crucial role in the chemical reaction.”