D defs.my
Entry 1 sense Webster, 1913

Tetrabasic

· Tet·ra·bas·ic · IPA
01 a. Capable of neutralizing four molecules of a monacid base; having four hydrogen atoms capable of replacement by bases; quadribasic; -- said …
  1. 1.
    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.(Chem.)