ketoglutaric acid
noun
ke·to·glu·tar·ic acid ˌkē-tō-glü-ˈter-ik- 
-ˈta-rik-
: either of two crystalline keto derivatives C5H6O5 of glutaric acid
especially : the alpha keto isomer formed in various metabolic processes (such as the Krebs cycle)
Word History
Etymology
keto- + glutaric acid
First Known Use
1908, in the meaning defined above
Medical Definition
ketoglutaric acid
noun
ke·to·glu·tar·ic acid -glü-ˌtar-ik-
: either of two crystalline keto derivatives C5H6O5 of glutaric acid
especially : alpha-ketoglutaric acid