gamma-aminobutyric acid

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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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

gamma-aminobutyric acid

(Biochemistry) the full name for GABA
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈgæb ə)

gamma-aminobutyric acid: a neurotransmitter that inhibits excitatory responses.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
It raises the level of release of the neurotransmitter, g-aminobutyric acid (Jansson and Dybas, 1997), which irreversibly paralysed the target invertebrates and causes death.
Glutamate (1.43 g/100 g) was the most abundantly found and G-aminobutyric acid (0.01 g/100 g) and hydroxylysine (0.01 g/100 g) contents were the lowest ones.
[sup][1] It can bind to the a1-containing g-aminobutyric acid (GABA) [sub]A receptors with high affinity but low or no affinity to those a2, a3, or a5 GABA [sub]A receptors.