'Hexabasic' definitions:

Definition of 'Hexabasic'

From: GCIDE

Hexabasic \Hex`a*ba"sic\, a. [Hexa- + basic.] (Chem.) Having six hydrogen atoms or six radicals capable of being replaced or saturated by bases; -- said of acids; as, mellitic acid is hexabasic. [1913 Webster]