polyprotic

[ pol-ee-prot-ik ]
/ ˌpɒl iˈprɒt ɪk /

adjective Chemistry.

(of an acid) having two or more transferable protons.

Origin of polyprotic

First recorded in 1940–45; poly- + prot(on) + -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019