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tetrabasic |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Tetrabasic \Tet`ra*bas"ic\, a. [Tetra- + basic.] (Chem.) Capable of neutralizing four molecules of a monacid base; having four hydrogen atoms capable of replacement by bases; quadribasic; -- said of certain acids; thus normal silicic acid, {Si(OH)4}, is a tetrabasic acid.