py·ru·vic acid 
(pī-rvĭk, pĭ-)
(pī-rvĭk, pĭ-)n.
A colorless organic liquid, C3H4O3, formed as an intermediate in carbohydrate metabolism and fermentation and as an end product in glycolysis.
[PYR(O)- + Latin ūva, grape (from its being produced by the dry distillation of racemic acid, originally derived from grapes) + -IC.]