D defs.my
Entry 1 sense Webster, 1913

Pentabasic

· Pen·ta·ba·sic · IPA
01 a. Capable of uniting with five molecules of a monacid base; having five acid hydrogen atoms capable of substitution by a basic radical; -- sa…
  1. 1.
    Capable of uniting with five molecules of a monacid base; having five acid hydrogen atoms capable of substitution by a basic radical; -- said of certain acids.(Chem.)