gamma-aminobutyric acid(redirected from Aminobutyric acid)
Also found in: Medical, Encyclopedia.
gam·ma-a·mi·no·bu·tyr·ic acid(găm′ə-ə-mē′nō-byo͞o-tîr′ĭk, -ăm′ə-)
n. Abbr. GABA
An amino acid, C4H9NO2, that is not found in proteins, but occurs in the central nervous system and is associated with the transmission of nerve impulses.
(Biochemistry) the full name for GABA
gamma-aminobutyric acid: a neurotransmitter that inhibits excitatory responses.