POLYPROTIC
Meaning of POLYPROTIC in English
/pol'ee prot"ik/ , adj. Chem.
(of an acid) having two or more transferable protons.
[ 1940-45; POLY- + PROT(ON) + -IC ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012