Tetrinic
Pronunciation : Te*trin"ic
Part of Speech : a.
Etymology : [See Tetra-.] (Chem.)
Definition : Defn: Of, pertaining to, or designating, a complex ketonic acid, C5H6O3, obtained as a white crystalline substance; -- so called because once supposed to contain a peculiar radical of four carbon atoms. Called also acetyl-acrylic acid.
Source : Webster's Unabridged Dictionary, 1913