gamma-aminobutyric acid


gam·​ma-ami·​no·​bu·​tyr·​ic acid ˌga-mə-ə-ˌmē-(ˌ)nō-byü-ˈtir-ik- How to pronounce gamma-aminobutyric acid (audio)
: an amino acid C4H9NO2 that is a neurotransmitter which induces inhibition of postsynaptic neurons

Examples of gamma-aminobutyric acid in a Sentence

Recent Examples on the Web Alcohol increases the effects of gamma-aminobutyric acid (GABA), for example. Amanda MacMillan, Health, 26 Mar. 2024 For example, valerian may increase the amount or function of GABA (gamma-aminobutyric acid), a neurotransmitter associated with sleep. Avery Hurt, Discover Magazine, 11 Mar. 2024 Plus, Kin’s addition of ingredients like caffeine and gamma-aminobutyric acid (GABA), a neurotransmitter that inhibits nerve cell’s ability to receive stress signals, intend to give you a boost of energy while reducing stress—the sweet spot for any kind of socializing. Sam Stone, Bon Appétit, 1 Feb. 2024 These natural compounds work by regulating neurotransmitters in the brain, such as serotonin and gamma-aminobutyric acid (GABA), which play crucial roles in promoting relaxation and reducing anxiety. Amber Smith, Discover Magazine, 5 Aug. 2023 It is thought to achieve this by influencing the release and activity of various neurotransmitters, such as GABA (gamma-aminobutyric acid), which is known for its calming effects. Amber Smith, Discover Magazine, 22 July 2023 Alcohol stimulates receptors for a neurotransmitter in the brain called gamma-aminobutyric acid (or GABA), which quiets the nervous system and reduces brain activity. Good Housekeeping, 17 Apr. 2023 In late 2021, Japanese company Sanatech Seed began selling special tomatoes that had been genetically modified to produce high levels of gamma-aminobutyric acid (GABA), a compound naturally found in the brain. Vivek Wadhwa, Fortune, 27 Feb. 2023 Valerian is thought to affect levels of gamma-aminobutyric acid (GABA). Cathy Wong, Verywell Health, 15 Feb. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'gamma-aminobutyric acid.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1900, in the meaning defined above

Time Traveler
The first known use of gamma-aminobutyric acid was in 1900

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Cite this Entry

“Gamma-aminobutyric acid.” Dictionary, Merriam-Webster, Accessed 13 Apr. 2024.

Medical Definition

gamma-aminobutyric acid

gam·​ma-ami·​no·​bu·​tyr·​ic acid
: an amino acid C4H9NO2 that is a neurotransmitter that induces inhibition of postsynaptic neurons

called also GABA

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