Definify.com
Webster 1913 Edition
Tetrinic
Te-trin′ic
,Adj.
[See
Tetra-
.] (Chem.)
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
.