One of the mysteries of the English language finally explained.
In full "α-oxoglutarate" (or "2-oxoglutarate"). The anion of α-oxoglutaric acid, which is an important intermediate in amino acid metabolism and the Krebs cycle; α-ketoglutarate.
1940s; earliest use found in Journal of the American Chemical Society. From oxo- + glutar- + -ate.
In this article we explore how to impress employers with a spot-on CV.