Hypertext Webster Gateway: "hexabasic"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
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.
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