Pentabasic

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Pentabasic \Pen`ta*ba"sic\, a. [Penta- + basic.] (Chem.)
     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.
     [1913 Webster]