D defs.my
Entry 1 sense Webster, 1913

Triacid

· Tri·ac·id · IPA
01 a. Capable of neutralizing three molecules of a monobasic acid or the equivalent; having three hydrogen atoms which may be acid radicals; -- s…
  1. 1.
    Capable of neutralizing three molecules of a monobasic acid or the equivalent; having three hydrogen atoms which may be acid radicals; -- said of certain bases; thus, glycerin is a triacid base.(Chem.)