Main Entry: glu·tam·ic acid

Pronunciation: \(ˌ)glü-ˌtam-ik-\

Function: noun

: a crystalline amino acid C₅H₉NO₄ that is widely distributed in plant and animal proteins and that acts throughout the central nervous system especially in the form of a salt or ester as a neurotransmitter which excites postsynaptic neurons—abbreviation Glu